1295797051 has 2 divisors, whose sum is σ = 1295797052. Its totient is φ = 1295797050.

The previous prime is 1295797049. The next prime is 1295797067. The reversal of 1295797051 is 1507975921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1295797051 - 2¹ = 1295797049 is a prime.

Together with 1295797049, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1295796992 and 1295797010.

It is not a weakly prime, because it can be changed into another prime (1295797031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647898525 + 647898526.

It is an arithmetic number, because the mean of its divisors is an integer number (647898526).

Almost surely, 2^1295797051 is an apocalyptic number.

1295797051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1295797051 is an equidigital number, since it uses as much as digits as its factorization.

1295797051 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1295797051 is about 35997.1811535292. The cubic root of 1295797051 is about 1090.2154418013.

The spelling of 1295797051 in words is "one billion, two hundred ninety-five million, seven hundred ninety-seven thousand, fifty-one".