123425101 has 2 divisors, whose sum is σ = 123425102. Its totient is φ = 123425100.

The previous prime is 123425023. The next prime is 123425119. The reversal of 123425101 is 101524321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83722500 + 39702601 = 9150^2 + 6301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123425101 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 (123425171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61712550 + 61712551.

It is an arithmetic number, because the mean of its divisors is an integer number (61712551).

Almost surely, 2^123425101 is an apocalyptic number.

It is an amenable number.

123425101 is a deficient number, since it is larger than the sum of its proper divisors (1).

123425101 is an equidigital number, since it uses as much as digits as its factorization.

123425101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 123425101 is about 11109.6850090360. The cubic root of 123425101 is about 497.8912535464.

Adding to 123425101 its reverse (101524321), we get a palindrome (224949422).

It can be divided in two parts, 1234 and 25101, that added together give a triangular number (26335 = T₂₂₉).

The spelling of 123425101 in words is "one hundred twenty-three million, four hundred twenty-five thousand, one hundred one".