125719927 has 2 divisors, whose sum is σ = 125719928. Its totient is φ = 125719926.

The previous prime is 125719873. The next prime is 125719949. The reversal of 125719927 is 729917521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125719927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125719987) 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, 62859963 + 62859964.

It is an arithmetic number, because the mean of its divisors is an integer number (62859964).

Almost surely, 2^125719927 is an apocalyptic number.

125719927 is a deficient number, since it is larger than the sum of its proper divisors (1).

125719927 is an equidigital number, since it uses as much as digits as its factorization.

125719927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 43.

The square root of 125719927 is about 11212.4897770299. The cubic root of 125719927 is about 500.9580657143.

The spelling of 125719927 in words is "one hundred twenty-five million, seven hundred nineteen thousand, nine hundred twenty-seven".