123410501 has 2 divisors, whose sum is σ = 123410502. Its totient is φ = 123410500.

The previous prime is 123410471. The next prime is 123410509. The reversal of 123410501 is 105014321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87422500 + 35988001 = 9350^2 + 5999^2 .

It is a cyclic number.

It is not a de Polignac number, because 123410501 - 2²² = 119216197 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 123410501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123410509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61705250 + 61705251.

It is an arithmetic number, because the mean of its divisors is an integer number (61705251).

Almost surely, 2^123410501 is an apocalyptic number.

It is an amenable number.

123410501 is a deficient number, since it is larger than the sum of its proper divisors (1).

123410501 is an equidigital number, since it uses as much as digits as its factorization.

123410501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 123410501 is about 11109.0279052670. The cubic root of 123410501 is about 497.8716208599.

Adding to 123410501 its reverse (105014321), we get a palindrome (228424822).

The spelling of 123410501 in words is "one hundred twenty-three million, four hundred ten thousand, five hundred one".