123294491 has 2 divisors, whose sum is σ = 123294492. Its totient is φ = 123294490.

The previous prime is 123294473. The next prime is 123294497. The reversal of 123294491 is 194492321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123294491 - 2¹⁴ = 123278107 is a prime.

It is not a weakly prime, because it can be changed into another prime (123294497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61647245 + 61647246.

It is an arithmetic number, because the mean of its divisors is an integer number (61647246).

Almost surely, 2^123294491 is an apocalyptic number.

123294491 is a deficient number, since it is larger than the sum of its proper divisors (1).

123294491 is an equidigital number, since it uses as much as digits as its factorization.

123294491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 35.

The square root of 123294491 is about 11103.8052486524. The cubic root of 123294491 is about 497.7155666238.

The spelling of 123294491 in words is "one hundred twenty-three million, two hundred ninety-four thousand, four hundred ninety-one".