1250791967 has 2 divisors, whose sum is σ = 1250791968. Its totient is φ = 1250791966.

The previous prime is 1250791943. The next prime is 1250791981. The reversal of 1250791967 is 7691970521.

It is a strong prime.

It is an emirp because it is prime and its reverse (7691970521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1250791967 - 2¹⁰ = 1250790943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1250793967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625395983 + 625395984.

It is an arithmetic number, because the mean of its divisors is an integer number (625395984).

Almost surely, 2^1250791967 is an apocalyptic number.

1250791967 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250791967 is an equidigital number, since it uses as much as digits as its factorization.

1250791967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140, while the sum is 47.

The square root of 1250791967 is about 35366.5373905900. The cubic root of 1250791967 is about 1077.4447958109. Note that the first 3 decimals are identical.

The spelling of 1250791967 in words is "one billion, two hundred fifty million, seven hundred ninety-one thousand, nine hundred sixty-seven".