1121915086 has 4 divisors (see below), whose sum is σ = 1682872632. Its totient is φ = 560957542.

The previous prime is 1121915023. The next prime is 1121915087. The reversal of 1121915086 is 6805191211.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121915087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280478770 + ... + 280478773.

It is an arithmetic number, because the mean of its divisors is an integer number (420718158).

Almost surely, 2^1121915086 is an apocalyptic number.

1121915086 is a deficient number, since it is larger than the sum of its proper divisors (560957546).

1121915086 is an equidigital number, since it uses as much as digits as its factorization.

1121915086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560957545.

The product of its (nonzero) digits is 4320, while the sum is 34.

The square root of 1121915086 is about 33495.0009105837. Note that the first 3 decimals coincide. The cubic root of 1121915086 is about 1039.0903924151.

The spelling of 1121915086 in words is "one billion, one hundred twenty-one million, nine hundred fifteen thousand, eighty-six".