125412851 has 2 divisors, whose sum is σ = 125412852. Its totient is φ = 125412850.

The previous prime is 125412841. The next prime is 125412871. The reversal of 125412851 is 158214521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125412851 - 2¹⁰ = 125411827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125412841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62706425 + 62706426.

It is an arithmetic number, because the mean of its divisors is an integer number (62706426).

Almost surely, 2^125412851 is an apocalyptic number.

125412851 is a deficient number, since it is larger than the sum of its proper divisors (1).

125412851 is an equidigital number, since it uses as much as digits as its factorization.

125412851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3200, while the sum is 29.

The square root of 125412851 is about 11198.7879254855. The cubic root of 125412851 is about 500.5498630795.

The spelling of 125412851 in words is "one hundred twenty-five million, four hundred twelve thousand, eight hundred fifty-one".