123490111 has 2 divisors, whose sum is σ = 123490112. Its totient is φ = 123490110.

The previous prime is 123490097. The next prime is 123490123. The reversal of 123490111 is 111094321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123490111 - 2¹¹ = 123488063 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123490141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61745055 + 61745056.

It is an arithmetic number, because the mean of its divisors is an integer number (61745056).

Almost surely, 2^123490111 is an apocalyptic number.

123490111 is a deficient number, since it is larger than the sum of its proper divisors (1).

123490111 is an equidigital number, since it uses as much as digits as its factorization.

123490111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 123490111 is about 11112.6104493949. The cubic root of 123490111 is about 497.9786539992.

The spelling of 123490111 in words is "one hundred twenty-three million, four hundred ninety thousand, one hundred eleven".