126457927 has 2 divisors, whose sum is σ = 126457928. Its totient is φ = 126457926.

The previous prime is 126457913. The next prime is 126457931. The reversal of 126457927 is 729754621.

It is a strong prime.

It is an emirp because it is prime and its reverse (729754621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126457927 is a prime.

It is a super-2 number, since 2×126457927² = 31983214602274658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126457627) 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, 63228963 + 63228964.

It is an arithmetic number, because the mean of its divisors is an integer number (63228964).

Almost surely, 2^126457927 is an apocalyptic number.

126457927 is a deficient number, since it is larger than the sum of its proper divisors (1).

126457927 is an equidigital number, since it uses as much as digits as its factorization.

126457927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 43.

The square root of 126457927 is about 11245.3513506693. The cubic root of 126457927 is about 501.9363937442.

The spelling of 126457927 in words is "one hundred twenty-six million, four hundred fifty-seven thousand, nine hundred twenty-seven".