120156951 has 4 divisors (see below), whose sum is σ = 160209272. Its totient is φ = 80104632.

The previous prime is 120156923. The next prime is 120156979. The reversal of 120156951 is 159651021.

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

It is an interprime number because it is at equal distance from previous prime (120156923) and next prime (120156979).

It is not a de Polignac number, because 120156951 - 2⁵ = 120156919 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 (120156151) 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, 20026156 + ... + 20026161.

It is an arithmetic number, because the mean of its divisors is an integer number (40052318).

Almost surely, 2^120156951 is an apocalyptic number.

120156951 is a deficient number, since it is larger than the sum of its proper divisors (40052321).

120156951 is an equidigital number, since it uses as much as digits as its factorization.

120156951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40052320.

The product of its (nonzero) digits is 2700, while the sum is 30.

The square root of 120156951 is about 10961.6126094658. The cubic root of 120156951 is about 493.4573625433.

The spelling of 120156951 in words is "one hundred twenty million, one hundred fifty-six thousand, nine hundred fifty-one".