123261525097 has 2 divisors, whose sum is σ = 123261525098. Its totient is φ = 123261525096.

The previous prime is 123261525029. The next prime is 123261525113. The reversal of 123261525097 is 790525162321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69132710761 + 54128814336 = 262931^2 + 232656^2 .

It is a cyclic number.

It is not a de Polignac number, because 123261525097 - 2¹⁵ = 123261492329 is a prime.

It is not a weakly prime, because it can be changed into another prime (123261525997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61630762548 + 61630762549.

It is an arithmetic number, because the mean of its divisors is an integer number (61630762549).

Almost surely, 2^123261525097 is an apocalyptic number.

It is an amenable number.

123261525097 is a deficient number, since it is larger than the sum of its proper divisors (1).

123261525097 is an equidigital number, since it uses as much as digits as its factorization.

123261525097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 123261525097 in words is "one hundred twenty-three billion, two hundred sixty-one million, five hundred twenty-five thousand, ninety-seven".