123622081 has 8 divisors (see below), whose sum is σ = 136196928. Its totient is φ = 111270000.

The previous prime is 123622073. The next prime is 123622091. The reversal of 123622081 is 180226321.

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 123622081 - 2³ = 123622073 is a prime.

It is a super-2 number, since 2×123622081² = 30564837821541122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123622021) 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, 54525 + ... + 56746.

It is an arithmetic number, because the mean of its divisors is an integer number (17024616).

Almost surely, 2^123622081 is an apocalyptic number.

123622081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123622081 is a deficient number, since it is larger than the sum of its proper divisors (12574847).

123622081 is a wasteful number, since it uses less digits than its factorization.

123622081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111383.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 123622081 is about 11118.5467125879. The cubic root of 123622081 is about 498.1559822241.

The spelling of 123622081 in words is "one hundred twenty-three million, six hundred twenty-two thousand, eighty-one".