1149700000 has 72 divisors (see below), whose sum is σ = 2829404844. Its totient is φ = 459840000.

The previous prime is 1149699949. The next prime is 1149700039. The reversal of 1149700000 is 79411.

It can be written as a sum of positive squares in 6 ways, for example, as 103306896 + 1046393104 = 10164^2 + 32348^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94252 + ... + 105748.

Almost surely, 2^1149700000 is an apocalyptic number.

1149700000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1149700000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1414702422).

1149700000 is an abundant number, since it is smaller than the sum of its proper divisors (1679704844).

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

1149700000 is an frugal number, since it uses more digits than its factorization.

1149700000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11532 (or 11504 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1149700000 is about 33907.2263684307. The cubic root of 1149700000 is about 1047.5984418091.

Adding to 1149700000 its reverse (79411), we get a palindrome (1149779411).

The spelling of 1149700000 in words is "one billion, one hundred forty-nine million, seven hundred thousand".