1150278890 has 16 divisors (see below), whose sum is σ = 2089854432. Its totient is φ = 455811024.

The previous prime is 1150278887. The next prime is 1150278907. The reversal of 1150278890 is 988720511.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 536444 + ... + 538583.

It is an arithmetic number, because the mean of its divisors is an integer number (130615902).

Almost surely, 2^1150278890 is an apocalyptic number.

1150278890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1150278890 is a deficient number, since it is larger than the sum of its proper divisors (939575542).

1150278890 is a wasteful number, since it uses less digits than its factorization.

1150278890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075141.

The product of its (nonzero) digits is 40320, while the sum is 41.

The square root of 1150278890 is about 33915.7616750678. The cubic root of 1150278890 is about 1047.7742391203.

The spelling of 1150278890 in words is "one billion, one hundred fifty million, two hundred seventy-eight thousand, eight hundred ninety".