125667071 has 2 divisors, whose sum is σ = 125667072. Its totient is φ = 125667070.

The previous prime is 125667067. The next prime is 125667079. The reversal of 125667071 is 170766521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125667071 - 2² = 125667067 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125667079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62833535 + 62833536.

It is an arithmetic number, because the mean of its divisors is an integer number (62833536).

Almost surely, 2^125667071 is an apocalyptic number.

125667071 is a deficient number, since it is larger than the sum of its proper divisors (1).

125667071 is an equidigital number, since it uses as much as digits as its factorization.

125667071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 125667071 is about 11210.1325148278. The cubic root of 125667071 is about 500.8878505098.

The spelling of 125667071 in words is "one hundred twenty-five million, six hundred sixty-seven thousand, seventy-one".