126515052 has 72 divisors (see below), whose sum is σ = 333169200. Its totient is φ = 40430208.

The previous prime is 126515047. The next prime is 126515069. The reversal of 126515052 is 250515621.

126515052 is a `hidden beast` number, since 1 + 2 + 651 + 5 + 0 + 5 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186538 + ... + 187214.

It is an arithmetic number, because the mean of its divisors is an integer number (4627350).

Almost surely, 2^126515052 is an apocalyptic number.

126515052 is a gapful number since it is divisible by the number (12) 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 126515052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166584600).

126515052 is an abundant number, since it is smaller than the sum of its proper divisors (206654148).

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

126515052 is a wasteful number, since it uses less digits than its factorization.

126515052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 126515052 is about 11247.8910023168. The cubic root of 126515052 is about 502.0119624880.

The spelling of 126515052 in words is "one hundred twenty-six million, five hundred fifteen thousand, fifty-two".