122147020 has 48 divisors (see below), whose sum is σ = 269837568. Its totient is φ = 46354880.

The previous prime is 122146967. The next prime is 122147059. The reversal of 122147020 is 20741221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59247 + ... + 61273.

It is an arithmetic number, because the mean of its divisors is an integer number (5621616).

Almost surely, 2^122147020 is an apocalyptic number.

122147020 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 122147020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134918784).

122147020 is an abundant number, since it is smaller than the sum of its proper divisors (147690548).

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

122147020 is a wasteful number, since it uses less digits than its factorization.

122147020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190 (or 2188 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 122147020 is about 11052.0142960458. The cubic root of 122147020 is about 496.1667135996.

Adding to 122147020 its reverse (20741221), we get a palindrome (142888241).

The spelling of 122147020 in words is "one hundred twenty-two million, one hundred forty-seven thousand, twenty".