122241390 has 32 divisors (see below), whose sum is σ = 310638240. Its totient is φ = 30680064.

The previous prime is 122241341. The next prime is 122241397. The reversal of 122241390 is 93142221.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122241390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122241397) by changing a digit.

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, 119335 + ... + 120354.

It is an arithmetic number, because the mean of its divisors is an integer number (9707445).

Almost surely, 2^122241390 is an apocalyptic number.

122241390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122241390 is an abundant number, since it is smaller than the sum of its proper divisors (188396850).

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

122241390 is a wasteful number, since it uses less digits than its factorization.

122241390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239716.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 122241390 is about 11056.2828292333. The cubic root of 122241390 is about 496.2944591079.

The spelling of 122241390 in words is "one hundred twenty-two million, two hundred forty-one thousand, three hundred ninety".