1149997297 has 8 divisors (see below), whose sum is σ = 1188192512. Its totient is φ = 1111870800.

The previous prime is 1149997279. The next prime is 1149997393. The reversal of 1149997297 is 7927999411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1149997297 - 2⁷ = 1149997169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1149997207) 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, 18022 + ... + 51232.

It is an arithmetic number, because the mean of its divisors is an integer number (148524064).

Almost surely, 2^1149997297 is an apocalyptic number.

It is an amenable number.

1149997297 is a deficient number, since it is larger than the sum of its proper divisors (38195215).

1149997297 is a wasteful number, since it uses less digits than its factorization.

1149997297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34359.

The product of its digits is 2571912, while the sum is 58.

The square root of 1149997297 is about 33911.6100620422. The cubic root of 1149997297 is about 1047.6887323290.

The spelling of 1149997297 in words is "one billion, one hundred forty-nine million, nine hundred ninety-seven thousand, two hundred ninety-seven".