1149002409 has 32 divisors (see below), whose sum is σ = 1749202560. Its totient is φ = 666316800.

The previous prime is 1149002377. The next prime is 1149002461. The reversal of 1149002409 is 9042009411.

It is not a de Polignac number, because 1149002409 - 2⁵ = 1149002377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1149002479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25269 + ... + 54189.

It is an arithmetic number, because the mean of its divisors is an integer number (54662580).

Almost surely, 2^1149002409 is an apocalyptic number.

1149002409 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1149002409 is a deficient number, since it is larger than the sum of its proper divisors (600200151).

1149002409 is a wasteful number, since it uses less digits than its factorization.

1149002409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29001.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1149002409 is about 33896.9380475582. The cubic root of 1149002409 is about 1047.3865189596.

It can be divided in two parts, 1149002 and 409, that added together give a palindrome (1149411).

The spelling of 1149002409 in words is "one billion, one hundred forty-nine million, two thousand, four hundred nine".