122834440 has 16 divisors (see below), whose sum is σ = 276377580. Its totient is φ = 49133760.

The previous prime is 122834429. The next prime is 122834441. The reversal of 122834440 is 44438221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 122810724 + 23716 = 11082^2 + 154^2 .

It is a super-2 number, since 2×122834440² = 30176599300227200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122834399 and 122834408.

It is not an unprimeable number, because it can be changed into a prime (122834441) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1535391 + ... + 1535470.

Almost surely, 2^122834440 is an apocalyptic number.

122834440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122834440 is an abundant number, since it is smaller than the sum of its proper divisors (153543140).

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

122834440 is a wasteful number, since it uses less digits than its factorization.

122834440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070872 (or 3070868 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 122834440 is about 11083.0699718084. The cubic root of 122834440 is about 497.0957499923.

The spelling of 122834440 in words is "one hundred twenty-two million, eight hundred thirty-four thousand, four hundred forty".