125444537 has 2 divisors, whose sum is σ = 125444538. Its totient is φ = 125444536.

The previous prime is 125444497. The next prime is 125444567. The reversal of 125444537 is 735444521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105185536 + 20259001 = 10256^2 + 4501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125444537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125444497 and 125444506.

It is not a weakly prime, because it can be changed into another prime (125444567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62722268 + 62722269.

It is an arithmetic number, because the mean of its divisors is an integer number (62722269).

Almost surely, 2^125444537 is an apocalyptic number.

It is an amenable number.

125444537 is a deficient number, since it is larger than the sum of its proper divisors (1).

125444537 is an equidigital number, since it uses as much as digits as its factorization.

125444537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 35.

The square root of 125444537 is about 11200.2025428114. The cubic root of 125444537 is about 500.5920147604.

The spelling of 125444537 in words is "one hundred twenty-five million, four hundred forty-four thousand, five hundred thirty-seven".