1295797118 has 32 divisors (see below), whose sum is σ = 2428386048. Its totient is φ = 503798400.

The previous prime is 1295797109. The next prime is 1295797121. The reversal of 1295797118 is 8117975921.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67046 + ... + 84182.

It is an arithmetic number, because the mean of its divisors is an integer number (75887064).

Almost surely, 2^1295797118 is an apocalyptic number.

1295797118 is a deficient number, since it is larger than the sum of its proper divisors (1132588930).

1295797118 is a wasteful number, since it uses less digits than its factorization.

1295797118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17648.

The product of its digits is 317520, while the sum is 50.

The square root of 1295797118 is about 35997.1820841576. The cubic root of 1295797118 is about 1090.2154605914.

The spelling of 1295797118 in words is "one billion, two hundred ninety-five million, seven hundred ninety-seven thousand, one hundred eighteen".