1295258290 has 16 divisors (see below), whose sum is σ = 2333111040. Its totient is φ = 517737520.

The previous prime is 1295258267. The next prime is 1295258299. The reversal of 1295258290 is 928525921.

It is not an unprimeable number, because it can be changed into a prime (1295258299) 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 7 ways as a sum of consecutive naturals, for example, 30616 + ... + 59395.

It is an arithmetic number, because the mean of its divisors is an integer number (145819440).

Almost surely, 2^1295258290 is an apocalyptic number.

1295258290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1295258290 is a deficient number, since it is larger than the sum of its proper divisors (1037852750).

1295258290 is a wasteful number, since it uses less digits than its factorization.

1295258290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91457.

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 1295258290 is about 35989.6969978909. The cubic root of 1295258290 is about 1090.0643258057.

The spelling of 1295258290 in words is "one billion, two hundred ninety-five million, two hundred fifty-eight thousand, two hundred ninety".