125201404115 has 32 divisors (see below), whose sum is σ = 160494048000. Its totient is φ = 93492309888.

The previous prime is 125201404087. The next prime is 125201404147. The reversal of 125201404115 is 511404102521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 125201404115 - 2²⁸ = 124932968659 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1819772 + ... + 1887318.

It is an arithmetic number, because the mean of its divisors is an integer number (5015439000).

Almost surely, 2^125201404115 is an apocalyptic number.

125201404115 is a deficient number, since it is larger than the sum of its proper divisors (35292643885).

125201404115 is a wasteful number, since it uses less digits than its factorization.

125201404115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67859.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 125201404115 its reverse (511404102521), we get a palindrome (636605506636).

The spelling of 125201404115 in words is "one hundred twenty-five billion, two hundred one million, four hundred four thousand, one hundred fifteen".