1102120009 has 8 divisors (see below), whose sum is σ = 1115609760. Its totient is φ = 1088689536.

The previous prime is 1102119961. The next prime is 1102120039. The reversal of 1102120009 is 9000212011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1102120009 - 2⁷ = 1102119881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102119974 and 1102120001.

It is not an unprimeable number, because it can be changed into a prime (1102120039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23182 + ... + 52360.

It is an arithmetic number, because the mean of its divisors is an integer number (139451220).

Almost surely, 2^1102120009 is an apocalyptic number.

It is an amenable number.

1102120009 is a deficient number, since it is larger than the sum of its proper divisors (13489751).

1102120009 is a wasteful number, since it uses less digits than its factorization.

1102120009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29639.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1102120009 is about 33198.1928574433. The cubic root of 1102120009 is about 1032.9428544636.

The spelling of 1102120009 in words is "one billion, one hundred two million, one hundred twenty thousand, nine".