126669375 has 60 divisors (see below), whose sum is σ = 261378832. Its totient is φ = 57888000.

The previous prime is 126669353. The next prime is 126669383. The reversal of 126669375 is 573966621.

It is not a de Polignac number, because 126669375 - 2⁷ = 126669247 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126669375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 37767 + ... + 40983.

Almost surely, 2^126669375 is an apocalyptic number.

126669375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126669375 is an abundant number, since it is smaller than the sum of its proper divisors (134709457).

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

126669375 is an equidigital number, since it uses as much as digits as its factorization.

126669375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3250 (or 3232 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 126669375 is about 11254.7489976454. The cubic root of 126669375 is about 502.2159975339.

The spelling of 126669375 in words is "one hundred twenty-six million, six hundred sixty-nine thousand, three hundred seventy-five".