1149120959 has 8 divisors (see below), whose sum is σ = 1331271840. Its totient is φ = 971467776.

The previous prime is 1149120943. The next prime is 1149120971. The reversal of 1149120959 is 9590219411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1149120959 - 2⁴ = 1149120943 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 (1149120979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1123874 + ... + 1124895.

It is an arithmetic number, because the mean of its divisors is an integer number (166408980).

Almost surely, 2^1149120959 is an apocalyptic number.

1149120959 is a deficient number, since it is larger than the sum of its proper divisors (182150881).

1149120959 is an equidigital number, since it uses as much as digits as its factorization.

1149120959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248849.

The product of its (nonzero) digits is 29160, while the sum is 41.

The square root of 1149120959 is about 33898.6866854750. The cubic root of 1149120959 is about 1047.4225395982.

The spelling of 1149120959 in words is "one billion, one hundred forty-nine million, one hundred twenty thousand, nine hundred fifty-nine".