126693552 has 40 divisors (see below), whose sum is σ = 327836160. Its totient is φ = 42160960.

The previous prime is 126693551. The next prime is 126693557. The reversal of 126693552 is 255396621.

It is a super-2 number, since 2×126693552² = 32102512236753408, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 126693552.

It is not an unprimeable number, because it can be changed into a prime (126693551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32677 + ... + 36347.

It is an arithmetic number, because the mean of its divisors is an integer number (8195904).

Almost surely, 2^126693552 is an apocalyptic number.

126693552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126693552 is an abundant number, since it is smaller than the sum of its proper divisors (201142608).

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

126693552 is a wasteful number, since it uses less digits than its factorization.

126693552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401 (or 4395 counting only the distinct ones).

The product of its digits is 97200, while the sum is 39.

The square root of 126693552 is about 11255.8230263273. The cubic root of 126693552 is about 502.2479476501.

The spelling of 126693552 in words is "one hundred twenty-six million, six hundred ninety-three thousand, five hundred fifty-two".