125651045 has 16 divisors (see below), whose sum is σ = 162664320. Its totient is φ = 92625984.

The previous prime is 125651041. The next prime is 125651089. The reversal of 125651045 is 540156521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 125651045 - 2² = 125651041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125650999 and 125651017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125651041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45926 + ... + 48584.

It is an arithmetic number, because the mean of its divisors is an integer number (10166520).

Almost surely, 2^125651045 is an apocalyptic number.

It is an amenable number.

125651045 is a deficient number, since it is larger than the sum of its proper divisors (37013275).

125651045 is a wasteful number, since it uses less digits than its factorization.

125651045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 125651045 is about 11209.4176922800. The cubic root of 125651045 is about 500.8665572893.

The spelling of 125651045 in words is "one hundred twenty-five million, six hundred fifty-one thousand, forty-five".