1202002109 has 8 divisors (see below), whose sum is σ = 1498600128. Its totient is φ = 936624960.

The previous prime is 1202002093. The next prime is 1202002127. The reversal of 1202002109 is 9012002021.

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 1202002109 - 2⁴ = 1202002093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202002169) 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, 7805132 + ... + 7805285.

It is an arithmetic number, because the mean of its divisors is an integer number (187325016).

Almost surely, 2^1202002109 is an apocalyptic number.

It is an amenable number.

1202002109 is a deficient number, since it is larger than the sum of its proper divisors (296598019).

1202002109 is a wasteful number, since it uses less digits than its factorization.

1202002109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15610435.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1202002109 is about 34669.9020621634. The cubic root of 1202002109 is about 1063.2492292264.

The spelling of 1202002109 in words is "one billion, two hundred two million, two thousand, one hundred nine".