123496121 has 24 divisors (see below), whose sum is σ = 148579200. Its totient is φ = 102601296.

The previous prime is 123496097. The next prime is 123496187. The reversal of 123496121 is 121694321.

It is not a de Polignac number, because 123496121 - 2²⁶ = 56387257 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (123496621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 469436 + ... + 469698.

It is an arithmetic number, because the mean of its divisors is an integer number (6190800).

Almost surely, 2^123496121 is an apocalyptic number.

It is an amenable number.

123496121 is a deficient number, since it is larger than the sum of its proper divisors (25083079).

123496121 is an frugal number, since it uses more digits than its factorization.

123496121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 307 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 123496121 is about 11112.8808596151. The cubic root of 123496121 is about 497.9867323874.

The spelling of 123496121 in words is "one hundred twenty-three million, four hundred ninety-six thousand, one hundred twenty-one".