125423004 has 48 divisors (see below), whose sum is σ = 335252736. Its totient is φ = 35750400.

The previous prime is 125423003. The next prime is 125423021. The reversal of 125423004 is 400324521.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125423003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39724 + ... + 42764.

It is an arithmetic number, because the mean of its divisors is an integer number (6984432).

Almost surely, 2^125423004 is an apocalyptic number.

125423004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

125423004 is an abundant number, since it is smaller than the sum of its proper divisors (209829732).

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

125423004 is a wasteful number, since it uses less digits than its factorization.

125423004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3546 (or 3544 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 125423004 is about 11199.2412242973. The cubic root of 125423004 is about 500.5633703227.

Adding to 125423004 its reverse (400324521), we get a palindrome (525747525).

The spelling of 125423004 in words is "one hundred twenty-five million, four hundred twenty-three thousand, four".