122103281 has 8 divisors (see below), whose sum is σ = 123185664. Its totient is φ = 121024800.

The previous prime is 122103277. The next prime is 122103301. The reversal of 122103281 is 182301221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122103281 - 2² = 122103277 is a prime.

It is a super-2 number, since 2×122103281² = 29818422461929922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122103181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129845 + ... + 130781.

It is an arithmetic number, because the mean of its divisors is an integer number (15398208).

Almost surely, 2^122103281 is an apocalyptic number.

It is an amenable number.

122103281 is a deficient number, since it is larger than the sum of its proper divisors (1082383).

122103281 is an equidigital number, since it uses as much as digits as its factorization.

122103281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 122103281 is about 11050.0353393100. The cubic root of 122103281 is about 496.1074832645.

The spelling of 122103281 in words is "one hundred twenty-two million, one hundred three thousand, two hundred eighty-one".