122620000 has 60 divisors (see below), whose sum is σ = 301712796. Its totient is φ = 49040000.

The previous prime is 122619989. The next prime is 122620009. The reversal of 122620000 is 26221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122620009) 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 in 9 ways as a sum of consecutive naturals, for example, 16935 + ... + 23065.

Almost surely, 2^122620000 is an apocalyptic number.

122620000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122620000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150856398).

122620000 is an abundant number, since it is smaller than the sum of its proper divisors (179092796).

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

122620000 is an frugal number, since it uses more digits than its factorization.

122620000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6161 (or 6138 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 122620000 is about 11073.3915310532. The cubic root of 122620000 is about 496.8063107979.

Adding to 122620000 its reverse (26221), we get a palindrome (122646221).

The spelling of 122620000 in words is "one hundred twenty-two million, six hundred twenty thousand".