122002002 has 24 divisors (see below), whose sum is σ = 278250960. Its totient is φ = 38526840.

The previous prime is 122001967. The next prime is 122002009. The reversal of 122002002 is 200200221.

It is a Harshad number since it is a multiple of its sum of digits (9).

122002002 is a modest number, since divided by 2002 gives 122 as remainder.

It is not an unprimeable number, because it can be changed into a prime (122002009) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 178024 + ... + 178707.

It is an arithmetic number, because the mean of its divisors is an integer number (11593790).

Almost surely, 2^122002002 is an apocalyptic number.

122002002 is an abundant number, since it is smaller than the sum of its proper divisors (156248958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122002002 is a wasteful number, since it uses less digits than its factorization.

122002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356758 (or 356755 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 122002002 is about 11045.4516430973. The cubic root of 122002002 is about 495.9702792849.

Adding to 122002002 its reverse (200200221), we get a palindrome (322202223).

The spelling of 122002002 in words is "one hundred twenty-two million, two thousand, two".