120152540 has 12 divisors (see below), whose sum is σ = 252320376. Its totient is φ = 48061008.

The previous prime is 120152533. The next prime is 120152569. The reversal of 120152540 is 45251021.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 6007627 = 120152540 / (1 + 2 + 0 + 1 + 5 + 2 + 5 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3003794 + ... + 3003833.

It is an arithmetic number, because the mean of its divisors is an integer number (21026698).

Almost surely, 2^120152540 is an apocalyptic number.

120152540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120152540 is an abundant number, since it is smaller than the sum of its proper divisors (132167836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120152540 is a wasteful number, since it uses less digits than its factorization.

120152540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6007636 (or 6007634 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 120152540 is about 10961.4114054715. The cubic root of 120152540 is about 493.4513241437.

The spelling of 120152540 in words is "one hundred twenty million, one hundred fifty-two thousand, five hundred forty".