126231996 has 24 divisors (see below), whose sum is σ = 321318144. Its totient is φ = 38252080.

The previous prime is 126231971. The next prime is 126232009. The reversal of 126231996 is 699132621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478020 + ... + 478283.

It is an arithmetic number, because the mean of its divisors is an integer number (13388256).

Almost surely, 2^126231996 is an apocalyptic number.

It is an amenable number.

126231996 is an abundant number, since it is smaller than the sum of its proper divisors (195086148).

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

126231996 is a wasteful number, since it uses less digits than its factorization.

126231996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956321 (or 956319 counting only the distinct ones).

The product of its digits is 34992, while the sum is 39.

The square root of 126231996 is about 11235.3013310725. The cubic root of 126231996 is about 501.6372940177.

The spelling of 126231996 in words is "one hundred twenty-six million, two hundred thirty-one thousand, nine hundred ninety-six".