125500404 has 12 divisors (see below), whose sum is σ = 292834304. Its totient is φ = 41833464.

The previous prime is 125500327. The next prime is 125500451. The reversal of 125500404 is 404005521.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5229172 + ... + 5229195.

Almost surely, 2^125500404 is an apocalyptic number.

It is an amenable number.

125500404 is an abundant number, since it is smaller than the sum of its proper divisors (167333900).

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

125500404 is a wasteful number, since it uses less digits than its factorization.

125500404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10458374 (or 10458372 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 125500404 is about 11202.6962825920. The cubic root of 125500404 is about 500.6663169823. Note that the first 3 decimals are identical.

Adding to 125500404 its reverse (404005521), we get a palindrome (529505925).

The spelling of 125500404 in words is "one hundred twenty-five million, five hundred thousand, four hundred four".