125543004 has 24 divisors (see below), whose sum is σ = 293827968. Its totient is φ = 41719920.

The previous prime is 125542999. The next prime is 125543053. The reversal of 125543004 is 400345521.

It is a super-2 number, since 2×125543004² = 31522091706688032, which contains 22 as substring.

It is a congruent number.

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, 11832 + ... + 19775.

It is an arithmetic number, because the mean of its divisors is an integer number (12242832).

Almost surely, 2^125543004 is an apocalyptic number.

It is an amenable number.

125543004 is an abundant number, since it is smaller than the sum of its proper divisors (168284964).

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

125543004 is a wasteful number, since it uses less digits than its factorization.

125543004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31945 (or 31943 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 125543004 is about 11204.5974492616. The cubic root of 125543004 is about 500.7229594887.

Adding to 125543004 its reverse (400345521), we get a palindrome (525888525).

The spelling of 125543004 in words is "one hundred twenty-five million, five hundred forty-three thousand, four".