122000002 has 4 divisors (see below), whose sum is σ = 183000006. Its totient is φ = 61000000.

The previous prime is 121999991. The next prime is 122000003. The reversal of 122000002 is 200000221.

It is a happy number.

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., 66928761 + 55071241 = 8181^2 + 7421^2 .

It is not an unprimeable number, because it can be changed into a prime (122000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30499999 + ... + 30500002.

Almost surely, 2^122000002 is an apocalyptic number.

122000002 is a deficient number, since it is larger than the sum of its proper divisors (61000004).

122000002 is an equidigital number, since it uses as much as digits as its factorization.

122000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61000003.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 122000002 is about 11045.3611077230. The cubic root of 122000002 is about 495.9675690944.

Adding to 122000002 its reverse (200000221), we get a palindrome (322000223).

The spelling of 122000002 in words is "one hundred twenty-two million, two", and thus it is an aban number.