3120123000157 has 2 divisors, whose sum is σ = 3120123000158. Its totient is φ = 3120123000156.

The previous prime is 3120123000131. The next prime is 3120123000187. The reversal of 3120123000157 is 7510003210213.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2866811103556 + 253311896601 = 1693166^2 + 503301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3120123000157 is a prime.

It is a super-2 number, since 2×3120123000157² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3120123000187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560061500078 + 1560061500079.

It is an arithmetic number, because the mean of its divisors is an integer number (1560061500079).

Almost surely, 2^{3120123000157} is an apocalyptic number.

It is an amenable number.

3120123000157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120123000157 is an equidigital number, since it uses as much as digits as its factorization.

3120123000157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The spelling of 3120123000157 in words is "three trillion, one hundred twenty billion, one hundred twenty-three million, one hundred fifty-seven", and thus it is an aban number.