125600851 has 2 divisors, whose sum is σ = 125600852. Its totient is φ = 125600850.

The previous prime is 125600801. The next prime is 125600869. The reversal of 125600851 is 158006521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125600851 - 2⁹ = 125600339 is a prime.

It is not a weakly prime, because it can be changed into another prime (125600801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62800425 + 62800426.

It is an arithmetic number, because the mean of its divisors is an integer number (62800426).

Almost surely, 2^125600851 is an apocalyptic number.

125600851 is a deficient number, since it is larger than the sum of its proper divisors (1).

125600851 is an equidigital number, since it uses as much as digits as its factorization.

125600851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 125600851 is about 11207.1785476988. The cubic root of 125600851 is about 500.7998544501.

The spelling of 125600851 in words is "one hundred twenty-five million, six hundred thousand, eight hundred fifty-one".