125192047 has 2 divisors, whose sum is σ = 125192048. Its totient is φ = 125192046.

The previous prime is 125192027. The next prime is 125192057. The reversal of 125192047 is 740291521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125192047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125192027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62596023 + 62596024.

It is an arithmetic number, because the mean of its divisors is an integer number (62596024).

Almost surely, 2^125192047 is an apocalyptic number.

125192047 is a deficient number, since it is larger than the sum of its proper divisors (1).

125192047 is an equidigital number, since it uses as much as digits as its factorization.

125192047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 125192047 is about 11188.9251941373. The cubic root of 125192047 is about 500.2559316423.

The spelling of 125192047 in words is "one hundred twenty-five million, one hundred ninety-two thousand, forty-seven".