1147880115 has 12 divisors (see below), whose sum is σ = 1989658944. Its totient is φ = 612202704.

The previous prime is 1147880093. The next prime is 1147880131. The reversal of 1147880115 is 5110887411.

It is not a de Polignac number, because 1147880115 - 2¹⁸ = 1147617971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1147880115.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12754179 + ... + 12754268.

It is an arithmetic number, because the mean of its divisors is an integer number (165804912).

Almost surely, 2^1147880115 is an apocalyptic number.

1147880115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1147880115 is a deficient number, since it is larger than the sum of its proper divisors (841778829).

1147880115 is a wasteful number, since it uses less digits than its factorization.

1147880115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25508458 (or 25508455 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 36.

The square root of 1147880115 is about 33880.3794990552. The cubic root of 1147880115 is about 1047.0453944845.

The spelling of 1147880115 in words is "one billion, one hundred forty-seven million, eight hundred eighty thousand, one hundred fifteen".