126703537 has 2 divisors, whose sum is σ = 126703538. Its totient is φ = 126703536.

The previous prime is 126703529. The next prime is 126703543. The reversal of 126703537 is 735307621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115971361 + 10732176 = 10769^2 + 3276^2 .

It is a cyclic number.

It is not a de Polignac number, because 126703537 - 2³ = 126703529 is a prime.

It is not a weakly prime, because it can be changed into another prime (126703517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63351768 + 63351769.

It is an arithmetic number, because the mean of its divisors is an integer number (63351769).

Almost surely, 2^126703537 is an apocalyptic number.

It is an amenable number.

126703537 is a deficient number, since it is larger than the sum of its proper divisors (1).

126703537 is an equidigital number, since it uses as much as digits as its factorization.

126703537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 34.

The square root of 126703537 is about 11256.2665657846. The cubic root of 126703537 is about 502.2611417286.

The spelling of 126703537 in words is "one hundred twenty-six million, seven hundred three thousand, five hundred thirty-seven".