1149312248 has 24 divisors (see below), whose sum is σ = 2506791600. Its totient is φ = 492562224.

The previous prime is 1149312239. The next prime is 1149312301. The reversal of 1149312248 is 8422139411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1465568 + ... + 1466351.

It is an arithmetic number, because the mean of its divisors is an integer number (104449650).

Almost surely, 2^1149312248 is an apocalyptic number.

It is an amenable number.

1149312248 is an abundant number, since it is smaller than the sum of its proper divisors (1357479352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1149312248 is a wasteful number, since it uses less digits than its factorization.

1149312248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931939 (or 2931928 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 1149312248 is about 33901.5080490529. The cubic root of 1149312248 is about 1047.4806562807.

The spelling of 1149312248 in words is "one billion, one hundred forty-nine million, three hundred twelve thousand, two hundred forty-eight".