125070641 has 2 divisors, whose sum is σ = 125070642. Its totient is φ = 125070640.

The previous prime is 125070637. The next prime is 125070677. The reversal of 125070641 is 146070521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119683600 + 5387041 = 10940^2 + 2321^2 .

It is a cyclic number.

It is not a de Polignac number, because 125070641 - 2² = 125070637 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125070641.

It is not a weakly prime, because it can be changed into another prime (125070611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62535320 + 62535321.

It is an arithmetic number, because the mean of its divisors is an integer number (62535321).

Almost surely, 2^125070641 is an apocalyptic number.

It is an amenable number.

125070641 is a deficient number, since it is larger than the sum of its proper divisors (1).

125070641 is an equidigital number, since it uses as much as digits as its factorization.

125070641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 125070641 is about 11183.4986028523. The cubic root of 125070641 is about 500.0941702628.

The spelling of 125070641 in words is "one hundred twenty-five million, seventy thousand, six hundred forty-one".