122002000 has 40 divisors (see below), whose sum is σ = 295005672. Its totient is φ = 48800000.

The previous prime is 122001967. The next prime is 122002009. The reversal of 122002000 is 200221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2143296 + 119858704 = 1464^2 + 10948^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122002009) 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, 28501 + ... + 32500.

Almost surely, 2^122002000 is an apocalyptic number.

122002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122002000 is an abundant number, since it is smaller than the sum of its proper divisors (173003672).

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

122002000 is an equidigital number, since it uses as much as digits as its factorization.

122002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61024 (or 61008 counting only the distinct ones).

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

The square root of 122002000 is about 11045.4515525623. The cubic root of 122002000 is about 495.9702765747.

Adding to 122002000 its reverse (200221), we get a palindrome (122202221).

The spelling of 122002000 in words is "one hundred twenty-two million, two thousand".