126157844 has 12 divisors (see below), whose sum is σ = 220968468. Its totient is φ = 63024000.

The previous prime is 126157813. The next prime is 126157873. The reversal of 126157844 is 448751621.

It can be written as a sum of positive squares in 2 ways, for example, as 448900 + 125708944 = 670^2 + 11212^2 .

It is a junction number, because it is equal to n+sod(n) for n = 126157798 and 126157807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8327 + ... + 17934.

It is an arithmetic number, because the mean of its divisors is an integer number (18414039).

Almost surely, 2^126157844 is an apocalyptic number.

It is an amenable number.

126157844 is a deficient number, since it is larger than the sum of its proper divisors (94810624).

126157844 is a wasteful number, since it uses less digits than its factorization.

126157844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27466 (or 27464 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 126157844 is about 11232.0008903134. Note that the first 3 decimals coincide. The cubic root of 126157844 is about 501.5390497908.

The spelling of 126157844 in words is "one hundred twenty-six million, one hundred fifty-seven thousand, eight hundred forty-four".