126220456 has 16 divisors (see below), whose sum is σ = 237892500. Its totient is φ = 62782464.

The previous prime is 126220421. The next prime is 126220469. The reversal of 126220456 is 654022621.

It can be written as a sum of positive squares in 2 ways, for example, as 102697956 + 23522500 = 10134^2 + 4850^2 .

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, 39331 + ... + 42418.

Almost surely, 2^126220456 is an apocalyptic number.

It is an amenable number.

126220456 is a deficient number, since it is larger than the sum of its proper divisors (111672044).

126220456 is a wasteful number, since it uses less digits than its factorization.

126220456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81948 (or 81944 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 126220456 is about 11234.7877594550. The cubic root of 126220456 is about 501.6220071624.

The spelling of 126220456 in words is "one hundred twenty-six million, two hundred twenty thousand, four hundred fifty-six".