1149797049 has 16 divisors (see below), whose sum is σ = 1570743552. Its totient is φ = 747796608.

The previous prime is 1149797041. The next prime is 1149797093. The reversal of 1149797049 is 9407979411.

It is not a de Polignac number, because 1149797049 - 2³ = 1149797041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1149796992 and 1149797010.

It is not an unprimeable number, because it can be changed into a prime (1149797041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31107 + ... + 57159.

It is an arithmetic number, because the mean of its divisors is an integer number (98171472).

Almost surely, 2^1149797049 is an apocalyptic number.

It is an amenable number.

1149797049 is a deficient number, since it is larger than the sum of its proper divisors (420946503).

1149797049 is a wasteful number, since it uses less digits than its factorization.

1149797049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26416.

The product of its (nonzero) digits is 571536, while the sum is 51.

The square root of 1149797049 is about 33908.6574343485. The cubic root of 1149797049 is about 1047.6279177653.

The spelling of 1149797049 in words is "one billion, one hundred forty-nine million, seven hundred ninety-seven thousand, forty-nine".