1122001995 has 32 divisors (see below), whose sum is σ = 1829481984. Its totient is φ = 587059200.

The previous prime is 1122001987. The next prime is 1122002009. The reversal of 1122001995 is 5991002211.

It is not a de Polignac number, because 1122001995 - 2³ = 1122001987 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222219 + ... + 227211.

It is an arithmetic number, because the mean of its divisors is an integer number (57171312).

Almost surely, 2^1122001995 is an apocalyptic number.

1122001995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1122001995 is a deficient number, since it is larger than the sum of its proper divisors (707479989).

1122001995 is a wasteful number, since it uses less digits than its factorization.

1122001995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5283.

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 1122001995 is about 33496.2982283117. The cubic root of 1122001995 is about 1039.1172227211.

The spelling of 1122001995 in words is "one billion, one hundred twenty-two million, one thousand, nine hundred ninety-five".