125485673437 has 2 divisors, whose sum is σ = 125485673438. Its totient is φ = 125485673436.

The previous prime is 125485673399. The next prime is 125485673461. The reversal of 125485673437 is 734376584521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91309126276 + 34176547161 = 302174^2 + 184869^2 .

It is a cyclic number.

It is not a de Polignac number, because 125485673437 - 2¹⁹ = 125485149149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125485673497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62742836718 + 62742836719.

It is an arithmetic number, because the mean of its divisors is an integer number (62742836719).

Almost surely, 2^125485673437 is an apocalyptic number.

It is an amenable number.

125485673437 is a deficient number, since it is larger than the sum of its proper divisors (1).

125485673437 is an equidigital number, since it uses as much as digits as its factorization.

125485673437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16934400, while the sum is 55.

The spelling of 125485673437 in words is "one hundred twenty-five billion, four hundred eighty-five million, six hundred seventy-three thousand, four hundred thirty-seven".