126924975 has 72 divisors (see below), whose sum is σ = 249827760. Its totient is φ = 63659520.

The previous prime is 126924961. The next prime is 126924979. The reversal of 126924975 is 579429621.

It is not a de Polignac number, because 126924975 - 2⁸ = 126924719 is a prime.

It is a super-2 number, since 2×126924975² = 32219898557501250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 126924975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126924979) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 102661 + ... + 103889.

It is an arithmetic number, because the mean of its divisors is an integer number (3469830).

Almost surely, 2^126924975 is an apocalyptic number.

126924975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126924975 is a deficient number, since it is larger than the sum of its proper divisors (122902785).

126924975 is a wasteful number, since it uses less digits than its factorization.

126924975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271 (or 1254 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 126924975 is about 11266.0984817283. The cubic root of 126924975 is about 502.5535696955.

It can be divided in two parts, 1269 and 24975, that added together give a square (26244 = 162²).

The spelling of 126924975 in words is "one hundred twenty-six million, nine hundred twenty-four thousand, nine hundred seventy-five".