122254340 has 24 divisors (see below), whose sum is σ = 276483480. Its totient is φ = 45139968.

The previous prime is 122254337. The next prime is 122254367. The reversal of 122254340 is 43452221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4401604 + 117852736 = 2098^2 + 10856^2 .

It is a super-2 number, since 2×122254340² = 29892247297671200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234845 + ... + 235364.

It is an arithmetic number, because the mean of its divisors is an integer number (11520145).

Almost surely, 2^122254340 is an apocalyptic number.

122254340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122254340 is an abundant number, since it is smaller than the sum of its proper divisors (154229140).

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

122254340 is a wasteful number, since it uses less digits than its factorization.

122254340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470231 (or 470229 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 122254340 is about 11056.8684535903. The cubic root of 122254340 is about 496.3119839586.

The spelling of 122254340 in words is "one hundred twenty-two million, two hundred fifty-four thousand, three hundred forty".