125760091 has 2 divisors, whose sum is σ = 125760092. Its totient is φ = 125760090.

The previous prime is 125760071. The next prime is 125760163. The reversal of 125760091 is 190067521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125760091 - 2²³ = 117371483 is a prime.

It is not a weakly prime, because it can be changed into another prime (125760001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62880045 + 62880046.

It is an arithmetic number, because the mean of its divisors is an integer number (62880046).

Almost surely, 2^125760091 is an apocalyptic number.

125760091 is a deficient number, since it is larger than the sum of its proper divisors (1).

125760091 is an equidigital number, since it uses as much as digits as its factorization.

125760091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 125760091 is about 11214.2806724283. The cubic root of 125760091 is about 501.0114073973.

The spelling of 125760091 in words is "one hundred twenty-five million, seven hundred sixty thousand, ninety-one".