126684252 has 36 divisors (see below), whose sum is σ = 322209160. Its totient is φ = 41967072.

The previous prime is 126684247. The next prime is 126684277. The reversal of 126684252 is 252486621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4927 + ... + 16662.

Almost surely, 2^126684252 is an apocalyptic number.

126684252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126684252 is an abundant number, since it is smaller than the sum of its proper divisors (195524908).

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

126684252 is a wasteful number, since it uses less digits than its factorization.

126684252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21762 (or 21757 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 126684252 is about 11255.4098992440. The cubic root of 126684252 is about 502.2356581001.

The spelling of 126684252 in words is "one hundred twenty-six million, six hundred eighty-four thousand, two hundred fifty-two".