120870157 has 8 divisors (see below), whose sum is σ = 126481176. Its totient is φ = 115382592.

The previous prime is 120870151. The next prime is 120870193. The reversal of 120870157 is 751078021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33802596 + 87067561 = 5814^2 + 9331^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 120870157 - 2¹¹ = 120868109 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 (120870151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28858 + ... + 32779.

It is an arithmetic number, because the mean of its divisors is an integer number (15810147).

Almost surely, 2^120870157 is an apocalyptic number.

It is an amenable number.

120870157 is a deficient number, since it is larger than the sum of its proper divisors (5611019).

120870157 is an equidigital number, since it uses as much as digits as its factorization.

120870157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61727.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 120870157 is about 10994.0964612832. The cubic root of 120870157 is about 494.4317623179.

The spelling of 120870157 in words is "one hundred twenty million, eight hundred seventy thousand, one hundred fifty-seven".