120456136 has 8 divisors (see below), whose sum is σ = 225855270. Its totient is φ = 60228064.

The previous prime is 120456103. The next prime is 120456137. The reversal of 120456136 is 631654021.

It can be written as a sum of positive squares in only one way, i.e., 80892036 + 39564100 = 8994^2 + 6290^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (120456137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7528501 + ... + 7528516.

Almost surely, 2^120456136 is an apocalyptic number.

It is an amenable number.

120456136 is a deficient number, since it is larger than the sum of its proper divisors (105399134).

120456136 is a wasteful number, since it uses less digits than its factorization.

120456136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15057023 (or 15057019 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 120456136 is about 10975.2510677433. The cubic root of 120456136 is about 493.8665847434.

It can be divided in two parts, 12045 and 6136, that added together give a palindrome (18181).

The spelling of 120456136 in words is "one hundred twenty million, four hundred fifty-six thousand, one hundred thirty-six".