123350121 has 10 divisors (see below), whose sum is σ = 184263882. Its totient is φ = 82233360.

The previous prime is 123350107. The next prime is 123350159. The reversal of 123350121 is 121053321.

It can be written as a sum of positive squares in only one way, i.e., 108993600 + 14356521 = 10440^2 + 3789^2 .

It is not a de Polignac number, because 123350121 - 2⁶ = 123350057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123350094 and 123350103.

It is not an unprimeable number, because it can be changed into a prime (123350191) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 761340 + ... + 761501.

Almost surely, 2^123350121 is an apocalyptic number.

It is an amenable number.

123350121 is a deficient number, since it is larger than the sum of its proper divisors (60913761).

123350121 is an equidigital number, since it uses as much as digits as its factorization.

123350121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522853 (or 1522844 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 123350121 is about 11106.3099632596. The cubic root of 123350121 is about 497.7904111514.

The spelling of 123350121 in words is "one hundred twenty-three million, three hundred fifty thousand, one hundred twenty-one".