1149416978 has 8 divisors (see below), whose sum is σ = 1745950080. Its totient is φ = 567433620.

The previous prime is 1149416969. The next prime is 1149416981. The reversal of 1149416978 is 8796149411.

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

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 3 ways as a sum of consecutive naturals, for example, 3637238 + ... + 3637553.

It is an arithmetic number, because the mean of its divisors is an integer number (218243760).

Almost surely, 2^1149416978 is an apocalyptic number.

1149416978 is a deficient number, since it is larger than the sum of its proper divisors (596533102).

1149416978 is an equidigital number, since it uses as much as digits as its factorization.

1149416978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7274872.

The product of its digits is 435456, while the sum is 50.

The square root of 1149416978 is about 33903.0526354191. The cubic root of 1149416978 is about 1047.5124722115.

The spelling of 1149416978 in words is "one billion, one hundred forty-nine million, four hundred sixteen thousand, nine hundred seventy-eight".