Search a number
-
+
124326021 = 3367112921
BaseRepresentation
bin1110110100100…
…01000010000101
322122221102020110
413122101002011
5223311413041
620200423233
73036516351
oct732210205
9278842213
10124326021
11641a6a86
1235777b19
131c9accc1
1412724461
15adac516
hex7691085

124326021 has 8 divisors (see below), whose sum is σ = 166221184. Its totient is φ = 82657440.

The previous prime is 124326019. The next prime is 124326043. The reversal of 124326021 is 120623421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 124326021 - 21 = 124326019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124326011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55360 + ... + 57561.

It is an arithmetic number, because the mean of its divisors is an integer number (20777648).

Almost surely, 2124326021 is an apocalyptic number.

It is an amenable number.

124326021 is a deficient number, since it is larger than the sum of its proper divisors (41895163).

124326021 is a wasteful number, since it uses less digits than its factorization.

124326021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113291.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 124326021 is about 11150.1578912588. The cubic root of 124326021 is about 499.0997413750.

Adding to 124326021 its reverse (120623421), we get a palindrome (244949442).

The spelling of 124326021 in words is "one hundred twenty-four million, three hundred twenty-six thousand, twenty-one".

Divisors: 1 3 367 1101 112921 338763 41442007 124326021