1149488878 has 8 divisors (see below), whose sum is σ = 1741305240. Its totient is φ = 569053800.

The previous prime is 1149488849. The next prime is 1149488891. The reversal of 1149488878 is 8788849411.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2845068 + ... + 2845471.

It is an arithmetic number, because the mean of its divisors is an integer number (217663155).

Almost surely, 2^1149488878 is an apocalyptic number.

1149488878 is a deficient number, since it is larger than the sum of its proper divisors (591816362).

1149488878 is a wasteful number, since it uses less digits than its factorization.

1149488878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5690642.

The product of its digits is 4128768, while the sum is 58.

The square root of 1149488878 is about 33904.1129953285. The cubic root of 1149488878 is about 1047.5343135966.

The spelling of 1149488878 in words is "one billion, one hundred forty-nine million, four hundred eighty-eight thousand, eight hundred seventy-eight".