3126912860 has 12 divisors (see below), whose sum is σ = 6566517048. Its totient is φ = 1250765136.

The previous prime is 3126912851. The next prime is 3126912863. The reversal of 3126912860 is 682196213.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3126912863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78172802 + ... + 78172841.

It is an arithmetic number, because the mean of its divisors is an integer number (547209754).

Almost surely, 2^3126912860 is an apocalyptic number.

It is an amenable number.

3126912860 is an abundant number, since it is smaller than the sum of its proper divisors (3439604188).

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

3126912860 is a wasteful number, since it uses less digits than its factorization.

3126912860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156345652 (or 156345650 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 3126912860 is about 55918.8059600704. The cubic root of 3126912860 is about 1462.3071142117.

The spelling of 3126912860 in words is "three billion, one hundred twenty-six million, nine hundred twelve thousand, eight hundred sixty".