126282979 has 2 divisors, whose sum is σ = 126282980. Its totient is φ = 126282978.

The previous prime is 126282929. The next prime is 126282997. The reversal of 126282979 is 979282621.

Together with next prime (126282997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (979282621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126282979 is a prime.

It is a super-2 number, since 2×126282979² = 31894781570228882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (126282929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63141489 + 63141490.

It is an arithmetic number, because the mean of its divisors is an integer number (63141490).

Almost surely, 2^126282979 is an apocalyptic number.

126282979 is a deficient number, since it is larger than the sum of its proper divisors (1).

126282979 is an equidigital number, since it uses as much as digits as its factorization.

126282979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 46.

The square root of 126282979 is about 11237.5699775352. The cubic root of 126282979 is about 501.7048192428.

The spelling of 126282979 in words is "one hundred twenty-six million, two hundred eighty-two thousand, nine hundred seventy-nine".