125773957 has 4 divisors (see below), whose sum is σ = 130111020. Its totient is φ = 121436896.

The previous prime is 125773933. The next prime is 125773979. The reversal of 125773957 is 759377521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101626561 + 24147396 = 10081^2 + 4914^2 .

It is a cyclic number.

It is not a de Polignac number, because 125773957 - 2⁷ = 125773829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125773357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2168488 + ... + 2168545.

It is an arithmetic number, because the mean of its divisors is an integer number (32527755).

Almost surely, 2^125773957 is an apocalyptic number.

It is an amenable number.

125773957 is a deficient number, since it is larger than the sum of its proper divisors (4337063).

125773957 is an equidigital number, since it uses as much as digits as its factorization.

125773957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4337062.

The product of its digits is 463050, while the sum is 46.

The square root of 125773957 is about 11214.8988849655. The cubic root of 125773957 is about 501.0298201514.

The spelling of 125773957 in words is "one hundred twenty-five million, seven hundred seventy-three thousand, nine hundred fifty-seven".