1200102122 has 8 divisors (see below), whose sum is σ = 1800691776. Its totient is φ = 599871532.

The previous prime is 1200102109. The next prime is 1200102203. The reversal of 1200102122 is 2212010021.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81248 + ... + 94875.

It is an arithmetic number, because the mean of its divisors is an integer number (225086472).

Almost surely, 2^1200102122 is an apocalyptic number.

1200102122 is a deficient number, since it is larger than the sum of its proper divisors (600589654).

1200102122 is a wasteful number, since it uses less digits than its factorization.

1200102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179532.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1200102122 is about 34642.4901241236. The cubic root of 1200102122 is about 1062.6887129993.

Adding to 1200102122 its reverse (2212010021), we get a palindrome (3412112143).

The spelling of 1200102122 in words is "one billion, two hundred million, one hundred two thousand, one hundred twenty-two".