125435121251404 has 48 divisors (see below), whose sum is σ = 231393910698720. Its totient is φ = 59332027184640.

The previous prime is 125435121251389. The next prime is 125435121251441. The reversal of 125435121251404 is 404152121534521.

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, 198284134 + ... + 198915730.

It is an arithmetic number, because the mean of its divisors is an integer number (4820706472890).

Almost surely, 2^{125435121251404} is an apocalyptic number.

It is an amenable number.

125435121251404 is a deficient number, since it is larger than the sum of its proper divisors (105958789447316).

125435121251404 is a wasteful number, since it uses less digits than its factorization.

125435121251404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635338 (or 635336 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

Adding to 125435121251404 its reverse (404152121534521), we get a palindrome (529587242785925).

The spelling of 125435121251404 in words is "one hundred twenty-five trillion, four hundred thirty-five billion, one hundred twenty-one million, two hundred fifty-one thousand, four hundred four".