1275448051 has 2 divisors, whose sum is σ = 1275448052. Its totient is φ = 1275448050.

The previous prime is 1275448037. The next prime is 1275448091. The reversal of 1275448051 is 1508445721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1275448051 - 2⁷ = 1275447923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1275448051.

It is not a weakly prime, because it can be changed into another prime (1275448091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637724025 + 637724026.

It is an arithmetic number, because the mean of its divisors is an integer number (637724026).

Almost surely, 2^1275448051 is an apocalyptic number.

1275448051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275448051 is an equidigital number, since it uses as much as digits as its factorization.

1275448051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 1275448051 is about 35713.4155605425. The cubic root of 1275448051 is about 1084.4784459842.

The spelling of 1275448051 in words is "one billion, two hundred seventy-five million, four hundred forty-eight thousand, fifty-one".