191125967 has 2 divisors, whose sum is σ = 191125968. Its totient is φ = 191125966.

The previous prime is 191125933. The next prime is 191125999. The reversal of 191125967 is 769521191.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 191125967 - 2⁶ = 191125903 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (191125267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95562983 + 95562984.

It is an arithmetic number, because the mean of its divisors is an integer number (95562984).

Almost surely, 2^191125967 is an apocalyptic number.

191125967 is a deficient number, since it is larger than the sum of its proper divisors (1).

191125967 is an equidigital number, since it uses as much as digits as its factorization.

191125967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 41.

The square root of 191125967 is about 13824.8315360441. The cubic root of 191125967 is about 576.0230979919.

The spelling of 191125967 in words is "one hundred ninety-one million, one hundred twenty-five thousand, nine hundred sixty-seven".