125121441404 has 48 divisors (see below), whose sum is σ = 222936218400. Its totient is φ = 61433634816.

The previous prime is 125121441397. The next prime is 125121441421. The reversal of 125121441404 is 404144121521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85757627 + ... + 85759085.

It is an arithmetic number, because the mean of its divisors is an integer number (4644504550).

Almost surely, 2^125121441404 is an apocalyptic number.

It is an amenable number.

125121441404 is a deficient number, since it is larger than the sum of its proper divisors (97814776996).

125121441404 is a wasteful number, since it uses less digits than its factorization.

125121441404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2622 (or 2620 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

Adding to 125121441404 its reverse (404144121521), we get a palindrome (529265562925).

The spelling of 125121441404 in words is "one hundred twenty-five billion, one hundred twenty-one million, four hundred forty-one thousand, four hundred four".