312127494 has 64 divisors (see below), whose sum is σ = 730944000. Its totient is φ = 87010560.

The previous prime is 312127489. The next prime is 312127507. The reversal of 312127494 is 494721213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 625257 + ... + 625755.

It is an arithmetic number, because the mean of its divisors is an integer number (11421000).

Almost surely, 2^312127494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312127494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365472000).

312127494 is an abundant number, since it is smaller than the sum of its proper divisors (418816506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312127494 is a wasteful number, since it uses less digits than its factorization.

312127494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845.

The product of its digits is 12096, while the sum is 33.

The square root of 312127494 is about 17667.1303272490. The cubic root of 312127494 is about 678.3346604474.

The spelling of 312127494 in words is "three hundred twelve million, one hundred twenty-seven thousand, four hundred ninety-four".