126958693 has 2 divisors, whose sum is σ = 126958694. Its totient is φ = 126958692.

The previous prime is 126958679. The next prime is 126958697. The reversal of 126958693 is 396859621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114554209 + 12404484 = 10703^2 + 3522^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126958693 is a prime.

It is a super-2 number, since 2×126958693² = 32237019456536498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126958697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63479346 + 63479347.

It is an arithmetic number, because the mean of its divisors is an integer number (63479347).

Almost surely, 2^126958693 is an apocalyptic number.

It is an amenable number.

126958693 is a deficient number, since it is larger than the sum of its proper divisors (1).

126958693 is an equidigital number, since it uses as much as digits as its factorization.

126958693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 49.

The square root of 126958693 is about 11267.5948187712. The cubic root of 126958693 is about 502.5980673760.

The spelling of 126958693 in words is "one hundred twenty-six million, nine hundred fifty-eight thousand, six hundred ninety-three".