125954069 has 2 divisors, whose sum is σ = 125954070. Its totient is φ = 125954068.

The previous prime is 125954053. The next prime is 125954089. The reversal of 125954069 is 960459521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117180625 + 8773444 = 10825^2 + 2962^2 .

It is a cyclic number.

It is not a de Polignac number, because 125954069 - 2⁴ = 125954053 is a prime.

It is a super-2 number, since 2×125954069² = 31728854995313522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125954039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62977034 + 62977035.

It is an arithmetic number, because the mean of its divisors is an integer number (62977035).

Almost surely, 2^125954069 is an apocalyptic number.

It is an amenable number.

125954069 is a deficient number, since it is larger than the sum of its proper divisors (1).

125954069 is an equidigital number, since it uses as much as digits as its factorization.

125954069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 125954069 is about 11222.9260444859. The cubic root of 125954069 is about 501.2688692179.

The spelling of 125954069 in words is "one hundred twenty-five million, nine hundred fifty-four thousand, sixty-nine".