126388747 has 2 divisors, whose sum is σ = 126388748. Its totient is φ = 126388746.

The previous prime is 126388667. The next prime is 126388763. The reversal of 126388747 is 747883621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126388747 - 2²³ = 118000139 is a prime.

It is a super-3 number, since 3×126388747³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126388697 and 126388706.

It is not a weakly prime, because it can be changed into another prime (126388447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63194373 + 63194374.

It is an arithmetic number, because the mean of its divisors is an integer number (63194374).

Almost surely, 2^126388747 is an apocalyptic number.

126388747 is a deficient number, since it is larger than the sum of its proper divisors (1).

126388747 is an equidigital number, since it uses as much as digits as its factorization.

126388747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 46.

The square root of 126388747 is about 11242.2749921891. The cubic root of 126388747 is about 501.8448473712.

The spelling of 126388747 in words is "one hundred twenty-six million, three hundred eighty-eight thousand, seven hundred forty-seven".