126897252 has 24 divisors (see below), whose sum is σ = 296843232. Its totient is φ = 42192000.

The previous prime is 126897247. The next prime is 126897283. The reversal of 126897252 is 252798621.

It is a super-2 number, since 2×126897252² = 32205825130303008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8374 + ... + 17997.

It is an arithmetic number, because the mean of its divisors is an integer number (12368468).

Almost surely, 2^126897252 is an apocalyptic number.

126897252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126897252 is an abundant number, since it is smaller than the sum of its proper divisors (169945980).

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

126897252 is a wasteful number, since it uses less digits than its factorization.

126897252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26779 (or 26777 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 126897252 is about 11264.8680418370. The cubic root of 126897252 is about 502.5169777190.

The spelling of 126897252 in words is "one hundred twenty-six million, eight hundred ninety-seven thousand, two hundred fifty-two".