Search a number
-
+
121023441 = 32711174637
BaseRepresentation
bin1110011011010…
…10101111010001
322102201121221200
413031222233101
5221440222231
620001541413
72666453010
oct715525721
9272647850
10121023441
1162350780
1234644869
131c0c4a06
1412104a77
15a958be6
hex736abd1

121023441 has 24 divisors (see below), whose sum is σ = 217948224. Its totient is φ = 62868960.

The previous prime is 121023437. The next prime is 121023479. The reversal of 121023441 is 144320121.

It is not a de Polignac number, because 121023441 - 22 = 121023437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121023491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86626 + ... + 88011.

It is an arithmetic number, because the mean of its divisors is an integer number (9081176).

Almost surely, 2121023441 is an apocalyptic number.

121023441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121023441 is a deficient number, since it is larger than the sum of its proper divisors (96924783).

121023441 is a wasteful number, since it uses less digits than its factorization.

121023441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174661 (or 174658 counting only the distinct ones).

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

The square root of 121023441 is about 11001.0654484009. The cubic root of 121023441 is about 494.6406819969.

Adding to 121023441 its reverse (144320121), we get a palindrome (265343562).

The spelling of 121023441 in words is "one hundred twenty-one million, twenty-three thousand, four hundred forty-one".

Divisors: 1 3 7 9 11 21 33 63 77 99 231 693 174637 523911 1222459 1571733 1921007 3667377 5763021 11002131 13447049 17289063 40341147 121023441