1149029091 has 16 divisors (see below), whose sum is σ = 1945446400. Its totient is φ = 656587944.

The previous prime is 1149029051. The next prime is 1149029107. The reversal of 1149029091 is 1909209411.

It is not a de Polignac number, because 1149029091 - 2⁶ = 1149029027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1149029041) 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, 3039571 + ... + 3039948.

It is an arithmetic number, because the mean of its divisors is an integer number (121590400).

Almost surely, 2^1149029091 is an apocalyptic number.

1149029091 is a deficient number, since it is larger than the sum of its proper divisors (796417309).

1149029091 is an equidigital number, since it uses as much as digits as its factorization.

1149029091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6079535 (or 6079529 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The square root of 1149029091 is about 33897.3316206453. The cubic root of 1149029091 is about 1047.3946263261.

The spelling of 1149029091 in words is "one billion, one hundred forty-nine million, twenty-nine thousand, ninety-one".