125405044234 has 48 divisors (see below), whose sum is σ = 200673529056. Its totient is φ = 58763671200.

The previous prime is 125405044231. The next prime is 125405044273. The reversal of 125405044234 is 432440504521.

It is a self number, because there is not a number n which added to its sum of digits gives 125405044234.

It is not an unprimeable number, because it can be changed into a prime (125405044231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32818044 + ... + 32821864.

It is an arithmetic number, because the mean of its divisors is an integer number (4180698522).

Almost surely, 2^125405044234 is an apocalyptic number.

125405044234 is a deficient number, since it is larger than the sum of its proper divisors (75268484822).

125405044234 is a wasteful number, since it uses less digits than its factorization.

125405044234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4339 (or 4320 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 125405044234 its reverse (432440504521), we get a palindrome (557845548755).

The spelling of 125405044234 in words is "one hundred twenty-five billion, four hundred five million, forty-four thousand, two hundred thirty-four".