125776361 has 2 divisors, whose sum is σ = 125776362. Its totient is φ = 125776360.

The previous prime is 125776337. The next prime is 125776369. The reversal of 125776361 is 163677521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72777961 + 52998400 = 8531^2 + 7280^2 .

It is a cyclic number.

It is not a de Polignac number, because 125776361 - 2²² = 121582057 is a prime.

It is not a weakly prime, because it can be changed into another prime (125776369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62888180 + 62888181.

It is an arithmetic number, because the mean of its divisors is an integer number (62888181).

Almost surely, 2^125776361 is an apocalyptic number.

It is an amenable number.

125776361 is a deficient number, since it is larger than the sum of its proper divisors (1).

125776361 is an equidigital number, since it uses as much as digits as its factorization.

125776361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 38.

The square root of 125776361 is about 11215.0060633064. The cubic root of 125776361 is about 501.0330123014.

The spelling of 125776361 in words is "one hundred twenty-five million, seven hundred seventy-six thousand, three hundred sixty-one".