1220002119 has 24 divisors (see below), whose sum is σ = 2015824512. Its totient is φ = 696502800.

The previous prime is 1220002097. The next prime is 1220002139. The reversal of 1220002119 is 9112000221.

It is not a de Polignac number, because 1220002119 - 2²⁵ = 1186447687 is a prime.

It is a super-2 number, since 2×1220002119² = 2976810340728980322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220002139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64944 + ... + 81594.

It is an arithmetic number, because the mean of its divisors is an integer number (83992688).

Almost surely, 2^1220002119 is an apocalyptic number.

1220002119 is a deficient number, since it is larger than the sum of its proper divisors (795822393).

1220002119 is a wasteful number, since it uses less digits than its factorization.

1220002119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17827 (or 17824 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1220002119 is about 34928.5287265296. The cubic root of 1220002119 is about 1068.5303487864.

The spelling of 1220002119 in words is "one billion, two hundred twenty million, two thousand, one hundred nineteen".