125743867 has 2 divisors, whose sum is σ = 125743868. Its totient is φ = 125743866.

The previous prime is 125743789. The next prime is 125743897. The reversal of 125743867 is 768347521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125743867 - 2¹⁵ = 125711099 is a prime.

It is a super-2 number, since 2×125743867² = 31623040176227378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125743897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62871933 + 62871934.

It is an arithmetic number, because the mean of its divisors is an integer number (62871934).

Almost surely, 2^125743867 is an apocalyptic number.

125743867 is a deficient number, since it is larger than the sum of its proper divisors (1).

125743867 is an equidigital number, since it uses as much as digits as its factorization.

125743867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 43.

The square root of 125743867 is about 11213.5572857145. The cubic root of 125743867 is about 500.9898617210.

The spelling of 125743867 in words is "one hundred twenty-five million, seven hundred forty-three thousand, eight hundred sixty-seven".