1149709824 has 60 divisors (see below), whose sum is σ = 3318153696. Its totient is φ = 383235072.

The previous prime is 1149709819. The next prime is 1149709837. The reversal of 1149709824 is 4289079411.

It is a happy number.

It is a super-2 number, since 2×1149709824² = 2643665358804221952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1149709824.

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, 120144 + ... + 129359.

Almost surely, 2^1149709824 is an apocalyptic number.

It is an amenable number.

1149709824 is an abundant number, since it is smaller than the sum of its proper divisors (2168443872).

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

1149709824 is an equidigital number, since it uses as much as digits as its factorization.

1149709824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249527 (or 249508 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1149709824 is about 33907.3712339957. The cubic root of 1149709824 is about 1047.6014256535.

The spelling of 1149709824 in words is "one billion, one hundred forty-nine million, seven hundred nine thousand, eight hundred twenty-four".