126831412 has 12 divisors (see below), whose sum is σ = 227954020. Its totient is φ = 61701696.

The previous prime is 126831401. The next prime is 126831431. The reversal of 126831412 is 214138621.

It can be written as a sum of positive squares in 2 ways, for example, as 54819216 + 72012196 = 7404^2 + 8486^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428337 + ... + 428632.

Almost surely, 2^126831412 is an apocalyptic number.

It is an amenable number.

126831412 is a deficient number, since it is larger than the sum of its proper divisors (101122608).

126831412 is a wasteful number, since it uses less digits than its factorization.

126831412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857010 (or 857008 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 126831412 is about 11261.9453026553. The cubic root of 126831412 is about 502.4300532163.

The spelling of 126831412 in words is "one hundred twenty-six million, eight hundred thirty-one thousand, four hundred twelve".