126542502 has 24 divisors (see below), whose sum is σ = 274477320. Its totient is φ = 42134400.

The previous prime is 126542491. The next prime is 126542503. The reversal of 126542502 is 205245621.

126542502 is a `hidden beast` number, since 1 + 2 + 654 + 2 + 5 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126542503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15574 + ... + 22262.

It is an arithmetic number, because the mean of its divisors is an integer number (11436555).

Almost surely, 2^126542502 is an apocalyptic number.

126542502 is an abundant number, since it is smaller than the sum of its proper divisors (147934818).

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

126542502 is a wasteful number, since it uses less digits than its factorization.

126542502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7748 (or 7745 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 126542502 is about 11249.1111648877. Note that the first 4 decimals coincide. The cubic root of 126542502 is about 502.0482670795.

The spelling of 126542502 in words is "one hundred twenty-six million, five hundred forty-two thousand, five hundred two".