3120161237 has 2 divisors, whose sum is σ = 3120161238. Its totient is φ = 3120161236.

The previous prime is 3120161221. The next prime is 3120161279. The reversal of 3120161237 is 7321610213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3095698321 + 24462916 = 55639^2 + 4946^2 .

It is a cyclic number.

It is not a de Polignac number, because 3120161237 - 2⁴ = 3120161221 is a prime.

It is a super-2 number, since 2×3120161237² = 19470812289754740338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3120161287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560080618 + 1560080619.

It is an arithmetic number, because the mean of its divisors is an integer number (1560080619).

Almost surely, 2^3120161237 is an apocalyptic number.

It is an amenable number.

3120161237 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120161237 is an equidigital number, since it uses as much as digits as its factorization.

3120161237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 3120161237 is about 55858.4034591036. The cubic root of 3120161237 is about 1461.2538857608.

The spelling of 3120161237 in words is "three billion, one hundred twenty million, one hundred sixty-one thousand, two hundred thirty-seven".