125545837 has 2 divisors, whose sum is σ = 125545838. Its totient is φ = 125545836.

The previous prime is 125545807. The next prime is 125545859. The reversal of 125545837 is 738545521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117961321 + 7584516 = 10861^2 + 2754^2 .

It is a cyclic number.

It is not a de Polignac number, because 125545837 - 2¹⁹ = 125021549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125545837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125545807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62772918 + 62772919.

It is an arithmetic number, because the mean of its divisors is an integer number (62772919).

Almost surely, 2^125545837 is an apocalyptic number.

It is an amenable number.

125545837 is a deficient number, since it is larger than the sum of its proper divisors (1).

125545837 is an equidigital number, since it uses as much as digits as its factorization.

125545837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168000, while the sum is 40.

The square root of 125545837 is about 11204.7238698685. The cubic root of 125545837 is about 500.7267258939.

The spelling of 125545837 in words is "one hundred twenty-five million, five hundred forty-five thousand, eight hundred thirty-seven".