125251390145 has 32 divisors (see below), whose sum is σ = 179646861312. Its totient is φ = 81966785472.

The previous prime is 125251390139. The next prime is 125251390183. The reversal of 125251390145 is 541093152521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 125251390145 - 2²⁸ = 124982954689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125251390099 and 125251390108.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181004 + ... + 532226.

It is an arithmetic number, because the mean of its divisors is an integer number (5613964416).

Almost surely, 2^125251390145 is an apocalyptic number.

It is an amenable number.

125251390145 is a deficient number, since it is larger than the sum of its proper divisors (54395471167).

125251390145 is a wasteful number, since it uses less digits than its factorization.

125251390145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351701.

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 125251390145 in words is "one hundred twenty-five billion, two hundred fifty-one million, three hundred ninety thousand, one hundred forty-five".