125694263 has 2 divisors, whose sum is σ = 125694264. Its totient is φ = 125694262.

The previous prime is 125694251. The next prime is 125694269. The reversal of 125694263 is 362496521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125694263 - 2⁶ = 125694199 is a prime.

It is a super-2 number, since 2×125694263² = 31598095502226338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125694269) 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, 62847131 + 62847132.

It is an arithmetic number, because the mean of its divisors is an integer number (62847132).

Almost surely, 2^125694263 is an apocalyptic number.

125694263 is a deficient number, since it is larger than the sum of its proper divisors (1).

125694263 is an equidigital number, since it uses as much as digits as its factorization.

125694263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 125694263 is about 11211.3452805629. The cubic root of 125694263 is about 500.9239754868.

The spelling of 125694263 in words is "one hundred twenty-five million, six hundred ninety-four thousand, two hundred sixty-three".