1148812797 has 16 divisors (see below), whose sum is σ = 1682222400. Its totient is φ = 691574400.

The previous prime is 1148812793. The next prime is 1148812799. The reversal of 1148812797 is 7972188411.

It is not a de Polignac number, because 1148812797 - 2² = 1148812793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148812793) 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, 111904 + ... + 121737.

It is an arithmetic number, because the mean of its divisors is an integer number (105138900).

Almost surely, 2^1148812797 is an apocalyptic number.

It is an amenable number.

1148812797 is a deficient number, since it is larger than the sum of its proper divisors (533409603).

1148812797 is a wasteful number, since it uses less digits than its factorization.

1148812797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233804.

The product of its digits is 225792, while the sum is 48.

The square root of 1148812797 is about 33894.1410423690. The cubic root of 1148812797 is about 1047.3289014483.

The spelling of 1148812797 in words is "one billion, one hundred forty-eight million, eight hundred twelve thousand, seven hundred ninety-seven".