126660940 has 24 divisors (see below), whose sum is σ = 303986592. Its totient is φ = 43426560.

The previous prime is 126660917. The next prime is 126660967. The reversal of 126660940 is 49066621.

It is a junction number, because it is equal to n+sod(n) for n = 126660896 and 126660905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452221 + ... + 452500.

It is an arithmetic number, because the mean of its divisors is an integer number (12666108).

Almost surely, 2^126660940 is an apocalyptic number.

126660940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126660940 is an abundant number, since it is smaller than the sum of its proper divisors (177325652).

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

126660940 is a wasteful number, since it uses less digits than its factorization.

126660940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904737 (or 904735 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 126660940 is about 11254.3742607041. The cubic root of 126660940 is about 502.2048496513.

The spelling of 126660940 in words is "one hundred twenty-six million, six hundred sixty thousand, nine hundred forty".