1149750399 has 16 divisors (see below), whose sum is σ = 1753399040. Its totient is φ = 656475840.

The previous prime is 1149750389. The next prime is 1149750457. The reversal of 1149750399 is 9930579411.

It is not a de Polignac number, because 1149750399 - 2²⁵ = 1116195967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149750319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5907 + ... + 48315.

It is an arithmetic number, because the mean of its divisors is an integer number (109587440).

Almost surely, 2^1149750399 is an apocalyptic number.

1149750399 is a deficient number, since it is larger than the sum of its proper divisors (603648641).

1149750399 is a wasteful number, since it uses less digits than its factorization.

1149750399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43710.

The product of its (nonzero) digits is 306180, while the sum is 48.

The square root of 1149750399 is about 33907.9695499450. The cubic root of 1149750399 is about 1047.6137493219.

The spelling of 1149750399 in words is "one billion, one hundred forty-nine million, seven hundred fifty thousand, three hundred ninety-nine".