1121100039 has 12 divisors (see below), whose sum is σ = 1620061872. Its totient is φ = 747079200.

The previous prime is 1121099983. The next prime is 1121100083. The reversal of 1121100039 is 9300011211.

It is not a de Polignac number, because 1121100039 - 2⁷ = 1121099911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121099994 and 1121100030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121150039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3547 + ... + 47484.

It is an arithmetic number, because the mean of its divisors is an integer number (135005156).

Almost surely, 2^1121100039 is an apocalyptic number.

1121100039 is a deficient number, since it is larger than the sum of its proper divisors (498961833).

1121100039 is a wasteful number, since it uses less digits than its factorization.

1121100039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53478 (or 53475 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 1121100039 is about 33482.8320038792. The cubic root of 1121100039 is about 1038.8387059054.

The spelling of 1121100039 in words is "one billion, one hundred twenty-one million, one hundred thousand, thirty-nine".