125144004 has 24 divisors (see below), whose sum is σ = 309179808. Its totient is φ = 39260800.

The previous prime is 125143999. The next prime is 125144011. The reversal of 125144004 is 400441521.

It is a happy number.

It is a super-2 number, since 2×125144004² = 31322043474304032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306522 + ... + 306929.

It is an arithmetic number, because the mean of its divisors is an integer number (12882492).

Almost surely, 2^125144004 is an apocalyptic number.

It is an amenable number.

125144004 is an abundant number, since it is smaller than the sum of its proper divisors (184035804).

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

125144004 is a wasteful number, since it uses less digits than its factorization.

125144004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613475 (or 613473 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 125144004 is about 11186.7780884399. The cubic root of 125144004 is about 500.1919316484.

Adding to 125144004 its reverse (400441521), we get a palindrome (525585525).

The spelling of 125144004 in words is "one hundred twenty-five million, one hundred forty-four thousand, four".