1295591047 has 2 divisors, whose sum is σ = 1295591048. Its totient is φ = 1295591046.

The previous prime is 1295591039. The next prime is 1295591069. The reversal of 1295591047 is 7401955921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1295591047 - 2³ = 1295591039 is a prime.

It is a super-2 number, since 2×1295591047² = 3357112322133112418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1295590994 and 1295591012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1295591027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647795523 + 647795524.

It is an arithmetic number, because the mean of its divisors is an integer number (647795524).

Almost surely, 2^1295591047 is an apocalyptic number.

1295591047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1295591047 is an equidigital number, since it uses as much as digits as its factorization.

1295591047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 43.

The square root of 1295591047 is about 35994.3196490780. The cubic root of 1295591047 is about 1090.1576650982.

The spelling of 1295591047 in words is "one billion, two hundred ninety-five million, five hundred ninety-one thousand, forty-seven".