126862660 has 12 divisors (see below), whose sum is σ = 266411628. Its totient is φ = 50745056.

The previous prime is 126862649. The next prime is 126862661. The reversal of 126862660 is 66268621.

It can be written as a sum of positive squares in 2 ways, for example, as 99321156 + 27541504 = 9966^2 + 5248^2 .

It is not an unprimeable number, because it can be changed into a prime (126862661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3171547 + ... + 3171586.

It is an arithmetic number, because the mean of its divisors is an integer number (22200969).

Almost surely, 2^126862660 is an apocalyptic number.

126862660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126862660 is an abundant number, since it is smaller than the sum of its proper divisors (139548968).

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

126862660 is a wasteful number, since it uses less digits than its factorization.

126862660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6343142 (or 6343140 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 126862660 is about 11263.3325441452. The cubic root of 126862660 is about 502.4713117785.

The spelling of 126862660 in words is "one hundred twenty-six million, eight hundred sixty-two thousand, six hundred sixty".