122817430 has 32 divisors (see below), whose sum is σ = 231367104. Its totient is φ = 46889856.

The previous prime is 122817421. The next prime is 122817451. The reversal of 122817430 is 34718221.

It is a super-2 number, since 2×122817430² = 30168242223609800, which contains 22 as substring.

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, 16479 + ... + 22741.

It is an arithmetic number, because the mean of its divisors is an integer number (7230222).

Almost surely, 2^122817430 is an apocalyptic number.

122817430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122817430 is a deficient number, since it is larger than the sum of its proper divisors (108549674).

122817430 is a wasteful number, since it uses less digits than its factorization.

122817430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6360.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 122817430 is about 11082.3025585841. The cubic root of 122817430 is about 497.0728031460.

The spelling of 122817430 in words is "one hundred twenty-two million, eight hundred seventeen thousand, four hundred thirty".