125423504 has 10 divisors (see below), whose sum is σ = 243008070. Its totient is φ = 62711744.

The previous prime is 125423491. The next prime is 125423509. The reversal of 125423504 is 405324521.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 93161104 + 32262400 = 9652^2 + 5680^2 .

It is not an unprimeable number, because it can be changed into a prime (125423509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3919469 + ... + 3919500.

It is an arithmetic number, because the mean of its divisors is an integer number (24300807).

Almost surely, 2^125423504 is an apocalyptic number.

It is an amenable number.

125423504 is a deficient number, since it is larger than the sum of its proper divisors (117584566).

125423504 is an equidigital number, since it uses as much as digits as its factorization.

125423504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7838977 (or 7838971 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 125423504 is about 11199.2635472160. The cubic root of 125423504 is about 500.5640354887.

The spelling of 125423504 in words is "one hundred twenty-five million, four hundred twenty-three thousand, five hundred four".