1149791200 has 36 divisors (see below), whose sum is σ = 2806929720. Its totient is φ = 459916160.

The previous prime is 1149791197. The next prime is 1149791207. The reversal of 1149791200 is 21979411.

It is a super-4 number, since 4×1149791200⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149791207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 717820 + ... + 719419.

It is an arithmetic number, because the mean of its divisors is an integer number (77970270).

Almost surely, 2^1149791200 is an apocalyptic number.

1149791200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1149791200 is an abundant number, since it is smaller than the sum of its proper divisors (1657138520).

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

1149791200 is a wasteful number, since it uses less digits than its factorization.

1149791200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437259 (or 1437246 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 1149791200 is about 33908.5711878280. The cubic root of 1149791200 is about 1047.6261413399.

The spelling of 1149791200 in words is "one billion, one hundred forty-nine million, seven hundred ninety-one thousand, two hundred".