122280831 has 6 divisors (see below), whose sum is σ = 176627880. Its totient is φ = 81520548.

The previous prime is 122280817. The next prime is 122280839. The reversal of 122280831 is 138082221.

It is not a de Polignac number, because 122280831 - 2⁵ = 122280799 is a prime.

It is a super-2 number, since 2×122280831² = 29905203260101122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122280795 and 122280804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122280839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6793371 + ... + 6793388.

It is an arithmetic number, because the mean of its divisors is an integer number (29437980).

Almost surely, 2^122280831 is an apocalyptic number.

122280831 is a deficient number, since it is larger than the sum of its proper divisors (54347049).

122280831 is a wasteful number, since it uses less digits than its factorization.

122280831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13586765 (or 13586762 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 122280831 is about 11058.0663318683. The cubic root of 122280831 is about 496.3478295878.

The spelling of 122280831 in words is "one hundred twenty-two million, two hundred eighty thousand, eight hundred thirty-one".