126886247 has 2 divisors, whose sum is σ = 126886248. Its totient is φ = 126886246.

The previous prime is 126886241. The next prime is 126886261. The reversal of 126886247 is 742688621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126886247 - 2⁶ = 126886183 is a prime.

It is a super-2 number, since 2×126886247² = 32200239355490018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126886198 and 126886207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126886241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63443123 + 63443124.

It is an arithmetic number, because the mean of its divisors is an integer number (63443124).

Almost surely, 2^126886247 is an apocalyptic number.

126886247 is a deficient number, since it is larger than the sum of its proper divisors (1).

126886247 is an equidigital number, since it uses as much as digits as its factorization.

126886247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 44.

The square root of 126886247 is about 11264.3795656929. The cubic root of 126886247 is about 502.5024505875.

The spelling of 126886247 in words is "one hundred twenty-six million, eight hundred eighty-six thousand, two hundred forty-seven".