1149902249 has 8 divisors (see below), whose sum is σ = 1212960000. Its totient is φ = 1087098192.

The previous prime is 1149902209. The next prime is 1149902263. The reversal of 1149902249 is 9422099411.

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

It is a cyclic number.

It is not a de Polignac number, because 1149902249 - 2⁸ = 1149901993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1149902209) 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, 54074 + ... + 72275.

It is an arithmetic number, because the mean of its divisors is an integer number (151620000).

Almost surely, 2^1149902249 is an apocalyptic number.

1149902249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1149902249 is a deficient number, since it is larger than the sum of its proper divisors (63057751).

1149902249 is a wasteful number, since it uses less digits than its factorization.

1149902249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126847.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 1149902249 is about 33910.2086251323. The cubic root of 1149902249 is about 1047.6598674895.

The spelling of 1149902249 in words is "one billion, one hundred forty-nine million, nine hundred two thousand, two hundred forty-nine".