122431260 has 48 divisors (see below), whose sum is σ = 391781376. Its totient is φ = 27984192.

The previous prime is 122431249. The next prime is 122431271. The reversal of 122431260 is 62134221.

It is an interprime number because it is at equal distance from previous prime (122431249) and next prime (122431271).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145332 + ... + 146171.

It is an arithmetic number, because the mean of its divisors is an integer number (8162112).

Almost surely, 2^122431260 is an apocalyptic number.

122431260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122431260 is an abundant number, since it is smaller than the sum of its proper divisors (269350116).

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

122431260 is a wasteful number, since it uses less digits than its factorization.

122431260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291522 (or 291520 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 122431260 is about 11064.8660181676. The cubic root of 122431260 is about 496.5512806942.

Adding to 122431260 its reverse (62134221), we get a palindrome (184565481).

The spelling of 122431260 in words is "one hundred twenty-two million, four hundred thirty-one thousand, two hundred sixty".