126957583 has 2 divisors, whose sum is σ = 126957584. Its totient is φ = 126957582.

The previous prime is 126957569. The next prime is 126957587. The reversal of 126957583 is 385759621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126957583 is a prime.

It is a super-2 number, since 2×126957583² = 32236455762403778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126957587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63478791 + 63478792.

It is an arithmetic number, because the mean of its divisors is an integer number (63478792).

Almost surely, 2^126957583 is an apocalyptic number.

126957583 is a deficient number, since it is larger than the sum of its proper divisors (1).

126957583 is an equidigital number, since it uses as much as digits as its factorization.

126957583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 46.

The square root of 126957583 is about 11267.5455623663. The cubic root of 126957583 is about 502.5966026333.

The spelling of 126957583 in words is "one hundred twenty-six million, nine hundred fifty-seven thousand, five hundred eighty-three".