125122801 has 2 divisors, whose sum is σ = 125122802. Its totient is φ = 125122800.

The previous prime is 125122729. The next prime is 125122831. The reversal of 125122801 is 108221521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119924401 + 5198400 = 10951^2 + 2280^2 .

It is a cyclic number.

It is not a de Polignac number, because 125122801 - 2⁹ = 125122289 is a prime.

It is not a weakly prime, because it can be changed into another prime (125122831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62561400 + 62561401.

It is an arithmetic number, because the mean of its divisors is an integer number (62561401).

Almost surely, 2^125122801 is an apocalyptic number.

It is an amenable number.

125122801 is a deficient number, since it is larger than the sum of its proper divisors (1).

125122801 is an equidigital number, since it uses as much as digits as its factorization.

125122801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 125122801 is about 11185.8303670313. The cubic root of 125122801 is about 500.1636810778.

The spelling of 125122801 in words is "one hundred twenty-five million, one hundred twenty-two thousand, eight hundred one".