122021430 has 16 divisors (see below), whose sum is σ = 292851504. Its totient is φ = 32539040.

The previous prime is 122021429. The next prime is 122021437. The reversal of 122021430 is 34120221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021437) 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, 2033661 + ... + 2033720.

It is an arithmetic number, because the mean of its divisors is an integer number (18303219).

Almost surely, 2^122021430 is an apocalyptic number.

122021430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122021430 is an abundant number, since it is smaller than the sum of its proper divisors (170830074).

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

122021430 is a wasteful number, since it uses less digits than its factorization.

122021430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067391.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 122021430 is about 11046.3310651094. The cubic root of 122021430 is about 495.9966045336.

Adding to 122021430 its reverse (34120221), we get a palindrome (156141651).

The spelling of 122021430 in words is "one hundred twenty-two million, twenty-one thousand, four hundred thirty".