125230346621 has 2 divisors, whose sum is σ = 125230346622. Its totient is φ = 125230346620.

The previous prime is 125230346599. The next prime is 125230346623. The reversal of 125230346621 is 126643032521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101799921721 + 23430424900 = 319061^2 + 153070^2 .

It is a cyclic number.

It is not a de Polignac number, because 125230346621 - 2¹⁴ = 125230330237 is a prime.

It is a super-2 number, since 2×125230346621² (a number of 23 digits) contains 22 as substring.

Together with 125230346623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125230346623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62615173310 + 62615173311.

It is an arithmetic number, because the mean of its divisors is an integer number (62615173311).

Almost surely, 2^125230346621 is an apocalyptic number.

It is an amenable number.

125230346621 is a deficient number, since it is larger than the sum of its proper divisors (1).

125230346621 is an equidigital number, since it uses as much as digits as its factorization.

125230346621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 125230346621 in words is "one hundred twenty-five billion, two hundred thirty million, three hundred forty-six thousand, six hundred twenty-one".