126632660 has 144 divisors (see below), whose sum is σ = 357835968. Its totient is φ = 37094400.

The previous prime is 126632651. The next prime is 126632699. The reversal of 126632660 is 66236621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 182915 + ... + 183605.

It is an arithmetic number, because the mean of its divisors is an integer number (2484972).

Almost surely, 2^126632660 is an apocalyptic number.

126632660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126632660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178917984).

126632660 is an abundant number, since it is smaller than the sum of its proper divisors (231203308).

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

126632660 is a wasteful number, since it uses less digits than its factorization.

126632660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 126632660 is about 11253.1177901949. The cubic root of 126632660 is about 502.1674705659.

The spelling of 126632660 in words is "one hundred twenty-six million, six hundred thirty-two thousand, six hundred sixty".