1121002119 has 16 divisors (see below), whose sum is σ = 1661290240. Its totient is φ = 747088920.

The previous prime is 1121002097. The next prime is 1121002121. The reversal of 1121002119 is 9112001211.

It is a happy number.

It is not a de Polignac number, because 1121002119 - 2⁵ = 1121002087 is a prime.

It is a super-2 number, since 2×1121002119² = 2513291501604980322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121002139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118764 + ... + 127854.

It is an arithmetic number, because the mean of its divisors is an integer number (103830640).

Almost surely, 2^1121002119 is an apocalyptic number.

1121002119 is a deficient number, since it is larger than the sum of its proper divisors (540288121).

1121002119 is an equidigital number, since it uses as much as digits as its factorization.

1121002119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13667 (or 13661 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The square root of 1121002119 is about 33481.3697300454. The cubic root of 1121002119 is about 1038.8084600027.

The spelling of 1121002119 in words is "one billion, one hundred twenty-one million, two thousand, one hundred nineteen".