126128492 has 24 divisors (see below), whose sum is σ = 253352736. Its totient is φ = 53820288.

The previous prime is 126128473. The next prime is 126128501. The reversal of 126128492 is 294821621.

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, 3143 + ... + 16190.

It is an arithmetic number, because the mean of its divisors is an integer number (10556364).

Almost surely, 2^126128492 is an apocalyptic number.

It is an amenable number.

126128492 is an abundant number, since it is smaller than the sum of its proper divisors (127224244).

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

126128492 is a wasteful number, since it uses less digits than its factorization.

126128492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19577 (or 19575 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 126128492 is about 11230.6941904764. The cubic root of 126128492 is about 501.5001505950.

The spelling of 126128492 in words is "one hundred twenty-six million, one hundred twenty-eight thousand, four hundred ninety-two".