1295591045 has 16 divisors (see below), whose sum is σ = 1778920320. Its totient is φ = 887350464.

The previous prime is 1295591039. The next prime is 1295591047. The reversal of 1295591045 is 5401955921.

It is not a de Polignac number, because 1295591045 - 2¹⁸ = 1295328901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1295590993 and 1295591011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1295591047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8519 + ... + 51611.

It is an arithmetic number, because the mean of its divisors is an integer number (111182520).

Almost surely, 2^1295591045 is an apocalyptic number.

It is an amenable number.

1295591045 is a deficient number, since it is larger than the sum of its proper divisors (483329275).

1295591045 is an equidigital number, since it uses as much as digits as its factorization.

1295591045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43964.

The product of its (nonzero) digits is 81000, while the sum is 41.

The square root of 1295591045 is about 35994.3196212958. The cubic root of 1295591045 is about 1090.1576645372.

The spelling of 1295591045 in words is "one billion, two hundred ninety-five million, five hundred ninety-one thousand, forty-five".