312740127 has 12 divisors (see below), whose sum is σ = 516269520. Its totient is φ = 178708608.

The previous prime is 312740117. The next prime is 312740173. The reversal of 312740127 is 721047213.

It is a happy number.

It is not a de Polignac number, because 312740127 - 2⁶ = 312740063 is a prime.

It is a super-2 number, since 2×312740127² = 195612774071952258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312740127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312740117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2482002 + ... + 2482127.

It is an arithmetic number, because the mean of its divisors is an integer number (43022460).

Almost surely, 2^312740127 is an apocalyptic number.

312740127 is a deficient number, since it is larger than the sum of its proper divisors (203529393).

312740127 is a wasteful number, since it uses less digits than its factorization.

312740127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4964142 (or 4964139 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 312740127 is about 17684.4600426476. The cubic root of 312740127 is about 678.7781743034.

The spelling of 312740127 in words is "three hundred twelve million, seven hundred forty thousand, one hundred twenty-seven".