125044452461 has 2 divisors, whose sum is σ = 125044452462. Its totient is φ = 125044452460.

The previous prime is 125044452457. The next prime is 125044452469. The reversal of 125044452461 is 164254440521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123486176836 + 1558275625 = 351406^2 + 39475^2 .

It is a cyclic number.

It is not a de Polignac number, because 125044452461 - 2² = 125044452457 is a prime.

It is a super-2 number, since 2×125044452461² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125044452469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62522226230 + 62522226231.

It is an arithmetic number, because the mean of its divisors is an integer number (62522226231).

Almost surely, 2^125044452461 is an apocalyptic number.

It is an amenable number.

125044452461 is a deficient number, since it is larger than the sum of its proper divisors (1).

125044452461 is an equidigital number, since it uses as much as digits as its factorization.

125044452461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 125044452461 its reverse (164254440521), we get a palindrome (289298892982).

The spelling of 125044452461 in words is "one hundred twenty-five billion, forty-four million, four hundred fifty-two thousand, four hundred sixty-one".