126840684 has 24 divisors (see below), whose sum is σ = 298679920. Its totient is φ = 41891904.

The previous prime is 126840673. The next prime is 126840691. The reversal of 126840684 is 486048621.

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, 47179 + ... + 49794.

Almost surely, 2^126840684 is an apocalyptic number.

It is an amenable number.

126840684 is an abundant number, since it is smaller than the sum of its proper divisors (171839236).

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

126840684 is a wasteful number, since it uses less digits than its factorization.

126840684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97089 (or 97087 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 126840684 is about 11262.3569469272. The cubic root of 126840684 is about 502.4422962872.

The spelling of 126840684 in words is "one hundred twenty-six million, eight hundred forty thousand, six hundred eighty-four".