125781004 has 24 divisors (see below), whose sum is σ = 228387600. Its totient is φ = 60540480.

The previous prime is 125780987. The next prime is 125781013. The reversal of 125781004 is 400187521.

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, 42534 + ... + 45394.

It is an arithmetic number, because the mean of its divisors is an integer number (9516150).

Almost surely, 2^125781004 is an apocalyptic number.

It is an amenable number.

125781004 is a deficient number, since it is larger than the sum of its proper divisors (102606596).

125781004 is a wasteful number, since it uses less digits than its factorization.

125781004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273 (or 3271 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 125781004 is about 11215.2130608384. The cubic root of 125781004 is about 501.0391773911.

The spelling of 125781004 in words is "one hundred twenty-five million, seven hundred eighty-one thousand, four".