120157651 has 4 divisors (see below), whose sum is σ = 120549352. Its totient is φ = 119765952.

The previous prime is 120157633. The next prime is 120157663. The reversal of 120157651 is 156751021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120157651 - 2⁵ = 120157619 is a prime.

It is a super-2 number, since 2×120157651² = 28875722187675602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120157601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195390 + ... + 196003.

It is an arithmetic number, because the mean of its divisors is an integer number (30137338).

Almost surely, 2^120157651 is an apocalyptic number.

120157651 is a deficient number, since it is larger than the sum of its proper divisors (391701).

120157651 is an equidigital number, since it uses as much as digits as its factorization.

120157651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391700.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 120157651 is about 10961.6445390279. The cubic root of 120157651 is about 493.4583207886.

The spelling of 120157651 in words is "one hundred twenty million, one hundred fifty-seven thousand, six hundred fifty-one".