126189252 has 60 divisors (see below), whose sum is σ = 377016640. Its totient is φ = 36053424.

The previous prime is 126189227. The next prime is 126189263. The reversal of 126189252 is 252981621.

126189252 is a `hidden beast` number, since 12 + 618 + 9 + 25 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25552 + ... + 30087.

Almost surely, 2^126189252 is an apocalyptic number.

126189252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126189252 is an abundant number, since it is smaller than the sum of its proper divisors (250827388).

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

126189252 is a wasteful number, since it uses less digits than its factorization.

126189252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55662 (or 55651 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 126189252 is about 11233.3989513415. The cubic root of 126189252 is about 501.5806670509.

The spelling of 126189252 in words is "one hundred twenty-six million, one hundred eighty-nine thousand, two hundred fifty-two".