120002122 has 4 divisors (see below), whose sum is σ = 180003186. Its totient is φ = 60001060.

The previous prime is 120002117. The next prime is 120002131. The reversal of 120002122 is 221200021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 80299521 + 39702601 = 8961^2 + 6301^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120002099 and 120002108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30000529 + ... + 30000532.

Almost surely, 2^120002122 is an apocalyptic number.

120002122 is a deficient number, since it is larger than the sum of its proper divisors (60001064).

120002122 is an equidigital number, since it uses as much as digits as its factorization.

120002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60001063.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 120002122 is about 10954.5480052807. The cubic root of 120002122 is about 493.2453222390.

Adding to 120002122 its reverse (221200021), we get a palindrome (341202143).

It can be divided in two parts, 1200021 and 22, that multiplied together give a palindrome (26400462).

The spelling of 120002122 in words is "one hundred twenty million, two thousand, one hundred twenty-two".