Search a number
-
+
1232421201 = 321112448699
BaseRepresentation
bin100100101110101…
…0100000101010001
310011220000111001200
41021131110011101
510010444434301
6322143021413
742353256504
oct11135240521
93156014050
101232421201
11582740320
122a489a869
1316843651b
14b996d13b
15732e1c86
hex49754151

1232421201 has 12 divisors (see below), whose sum is σ = 1941997200. Its totient is φ = 746921880.

The previous prime is 1232421199. The next prime is 1232421227. The reversal of 1232421201 is 1021242321.

It is a happy number.

1232421201 is a `hidden beast` number, since 12 + 32 + 421 + 201 = 666.

It is not a de Polignac number, because 1232421201 - 21 = 1232421199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1232421401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6224251 + ... + 6224448.

It is an arithmetic number, because the mean of its divisors is an integer number (161833100).

Almost surely, 21232421201 is an apocalyptic number.

1232421201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1232421201 is a deficient number, since it is larger than the sum of its proper divisors (709575999).

1232421201 is a wasteful number, since it uses less digits than its factorization.

1232421201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12448716 (or 12448713 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1232421201 is about 35105.8570754226. The cubic root of 1232421201 is about 1072.1438372679.

Adding to 1232421201 its reverse (1021242321), we get a palindrome (2253663522).

The spelling of 1232421201 in words is "one billion, two hundred thirty-two million, four hundred twenty-one thousand, two hundred one".

Divisors: 1 3 9 11 33 99 12448699 37346097 112038291 136935689 410807067 1232421201