125423202461 has 2 divisors, whose sum is σ = 125423202462. Its totient is φ = 125423202460.

The previous prime is 125423202449. The next prime is 125423202479. The reversal of 125423202461 is 164202324521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86063023225 + 39360179236 = 293365^2 + 198394^2 .

It is a cyclic number.

It is not a de Polignac number, because 125423202461 - 2¹⁰ = 125423201437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125423202481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62711601230 + 62711601231.

It is an arithmetic number, because the mean of its divisors is an integer number (62711601231).

Almost surely, 2^125423202461 is an apocalyptic number.

It is an amenable number.

125423202461 is a deficient number, since it is larger than the sum of its proper divisors (1).

125423202461 is an equidigital number, since it uses as much as digits as its factorization.

125423202461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 125423202461 its reverse (164202324521), we get a palindrome (289625526982).

The spelling of 125423202461 in words is "one hundred twenty-five billion, four hundred twenty-three million, two hundred two thousand, four hundred sixty-one".