122403030 has 32 divisors (see below), whose sum is σ = 301709664. Its totient is φ = 31758336.

The previous prime is 122403013. The next prime is 122403031. The reversal of 122403030 is 30304221.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122403031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54027 + ... + 56246.

It is an arithmetic number, because the mean of its divisors is an integer number (9428427).

Almost surely, 2^122403030 is an apocalyptic number.

122403030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122403030 is an abundant number, since it is smaller than the sum of its proper divisors (179306634).

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

122403030 is a wasteful number, since it uses less digits than its factorization.

122403030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110320.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 122403030 is about 11063.5902852555. The cubic root of 122403030 is about 496.5131130993.

Adding to 122403030 its reverse (30304221), we get a palindrome (152707251).

It can be divided in two parts, 12 and 2403030, that added together give a palindrome (2403042).

The spelling of 122403030 in words is "one hundred twenty-two million, four hundred three thousand, thirty".