1275970951 has 2 divisors, whose sum is σ = 1275970952. Its totient is φ = 1275970950.

The previous prime is 1275970889. The next prime is 1275970967. The reversal of 1275970951 is 1590795721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1275970951 - 2⁷ = 1275970823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1275970151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637985475 + 637985476.

It is an arithmetic number, because the mean of its divisors is an integer number (637985476).

Almost surely, 2^1275970951 is an apocalyptic number.

1275970951 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275970951 is an equidigital number, since it uses as much as digits as its factorization.

1275970951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 198450, while the sum is 46.

The square root of 1275970951 is about 35720.7355887305. The cubic root of 1275970951 is about 1084.6266282384.

The spelling of 1275970951 in words is "one billion, two hundred seventy-five million, nine hundred seventy thousand, nine hundred fifty-one".