125226545641 has 2 divisors, whose sum is σ = 125226545642. Its totient is φ = 125226545640.

The previous prime is 125226545629. The next prime is 125226545669. The reversal of 125226545641 is 146545622521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125194961241 + 31584400 = 353829^2 + 5620^2 .

It is an emirp because it is prime and its reverse (146545622521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125226545641 - 2¹¹ = 125226543593 is a prime.

It is a super-2 number, since 2×125226545641² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125226515641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62613272820 + 62613272821.

It is an arithmetic number, because the mean of its divisors is an integer number (62613272821).

Almost surely, 2^125226545641 is an apocalyptic number.

It is an amenable number.

125226545641 is a deficient number, since it is larger than the sum of its proper divisors (1).

125226545641 is an equidigital number, since it uses as much as digits as its factorization.

125226545641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576000, while the sum is 43.

The spelling of 125226545641 in words is "one hundred twenty-five billion, two hundred twenty-six million, five hundred forty-five thousand, six hundred forty-one".