126426751 has 16 divisors (see below), whose sum is σ = 142230528. Its totient is φ = 111384000.

The previous prime is 126426733. The next prime is 126426763. The reversal of 126426751 is 157624621.

It is a cyclic number.

It is not a de Polignac number, because 126426751 - 2⁵ = 126426719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126426701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63826 + ... + 65776.

It is an arithmetic number, because the mean of its divisors is an integer number (8889408).

Almost surely, 2^126426751 is an apocalyptic number.

126426751 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

126426751 is a deficient number, since it is larger than the sum of its proper divisors (15803777).

126426751 is a wasteful number, since it uses less digits than its factorization.

126426751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142.

The product of its digits is 20160, while the sum is 34.

The square root of 126426751 is about 11243.9650924396. The cubic root of 126426751 is about 501.8951424614.

The spelling of 126426751 in words is "one hundred twenty-six million, four hundred twenty-six thousand, seven hundred fifty-one".