1290315297 has 4 divisors (see below), whose sum is σ = 1720420400. Its totient is φ = 860210196.

The previous prime is 1290315277. The next prime is 1290315329. The reversal of 1290315297 is 7925130921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1290315297 - 2²⁴ = 1273538081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1290315227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215052547 + ... + 215052552.

It is an arithmetic number, because the mean of its divisors is an integer number (430105100).

Almost surely, 2^1290315297 is an apocalyptic number.

It is an amenable number.

1290315297 is a deficient number, since it is larger than the sum of its proper divisors (430105103).

1290315297 is an equidigital number, since it uses as much as digits as its factorization.

1290315297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430105102.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 1290315297 is about 35920.9590211620. The cubic root of 1290315297 is about 1088.6759157085.

The spelling of 1290315297 in words is "one billion, two hundred ninety million, three hundred fifteen thousand, two hundred ninety-seven".