123122081 has 8 divisors (see below), whose sum is σ = 129270720. Its totient is φ = 117100368.

The previous prime is 123122063. The next prime is 123122089. The reversal of 123122081 is 180221321.

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 123122081 - 2⁶ = 123122017 is a prime.

It is a super-2 number, since 2×123122081² = 30318093659541122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123122089) 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, 29741 + ... + 33626.

It is an arithmetic number, because the mean of its divisors is an integer number (16158840).

Almost surely, 2^123122081 is an apocalyptic number.

It is an amenable number.

123122081 is a deficient number, since it is larger than the sum of its proper divisors (6148639).

123122081 is an equidigital number, since it uses as much as digits as its factorization.

123122081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63463.

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

The square root of 123122081 is about 11096.0389779416. The cubic root of 123122081 is about 497.4834633359.

The spelling of 123122081 in words is "one hundred twenty-three million, one hundred twenty-two thousand, eighty-one".