126428785 has 16 divisors (see below), whose sum is σ = 174162816. Its totient is φ = 86306688.

The previous prime is 126428767. The next prime is 126428801. The reversal of 126428785 is 587824621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 126428785 - 2¹⁷ = 126297713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 12 + ... + 15901.

It is an arithmetic number, because the mean of its divisors is an integer number (10885176).

Almost surely, 2^126428785 is an apocalyptic number.

It is an amenable number.

126428785 is a deficient number, since it is larger than the sum of its proper divisors (47734031).

126428785 is a wasteful number, since it uses less digits than its factorization.

126428785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16152.

The product of its digits is 215040, while the sum is 43.

The square root of 126428785 is about 11244.0555405957. The cubic root of 126428785 is about 501.8978340048.

The spelling of 126428785 in words is "one hundred twenty-six million, four hundred twenty-eight thousand, seven hundred eighty-five".