3120157 has 8 divisors (see below), whose sum is σ = 3273984. Its totient is φ = 2967888.

The previous prime is 3120137. The next prime is 3120217. The reversal of 3120157 is 7510213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3120157 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 (3120107) 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, 6508 + ... + 6970.

It is an arithmetic number, because the mean of its divisors is an integer number (409248).

Almost surely, 2^3120157 is an apocalyptic number.

It is an amenable number.

3120157 is a deficient number, since it is larger than the sum of its proper divisors (153827).

3120157 is a wasteful number, since it uses less digits than its factorization.

3120157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 3120157 is about 1766.3966145801. The cubic root of 3120157 is about 146.1253224328.

The spelling of 3120157 in words is "three million, one hundred twenty thousand, one hundred fifty-seven".