122181093 has 12 divisors (see below), whose sum is σ = 176630688. Its totient is φ = 81386280.

The previous prime is 122181071. The next prime is 122181097. The reversal of 122181093 is 390181221.

It is not a de Polignac number, because 122181093 - 2⁶ = 122181029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122181097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7338 + ... + 17268.

It is an arithmetic number, because the mean of its divisors is an integer number (14719224).

Almost surely, 2^122181093 is an apocalyptic number.

It is an amenable number.

122181093 is a deficient number, since it is larger than the sum of its proper divisors (54449595).

122181093 is a wasteful number, since it uses less digits than its factorization.

122181093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11304 (or 11301 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 122181093 is about 11053.5556722713. Note that the first 3 decimals coincide. The cubic root of 122181093 is about 496.2128446655.

The spelling of 122181093 in words is "one hundred twenty-two million, one hundred eighty-one thousand, ninety-three".