122431430 has 24 divisors (see below), whose sum is σ = 242234496. Its totient is φ = 44520080.

The previous prime is 122431427. The next prime is 122431447. The reversal of 122431430 is 34134221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49382 + ... + 51801.

It is an arithmetic number, because the mean of its divisors is an integer number (10093104).

Almost surely, 2^122431430 is an apocalyptic number.

122431430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122431430 is a deficient number, since it is larger than the sum of its proper divisors (119803066).

122431430 is a wasteful number, since it uses less digits than its factorization.

122431430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101212 (or 101201 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 122431430 is about 11064.8737001377. The cubic root of 122431430 is about 496.5515105202.

Adding to 122431430 its reverse (34134221), we get a palindrome (156565651).

The spelling of 122431430 in words is "one hundred twenty-two million, four hundred thirty-one thousand, four hundred thirty".