126263044 has 6 divisors (see below), whose sum is σ = 220960334. Its totient is φ = 63131520.

The previous prime is 126263023. The next prime is 126263051. The reversal of 126263044 is 440362621.

It can be written as a sum of positive squares in only one way, i.e., 110502144 + 15760900 = 10512^2 + 3970^2 .

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 as a sum of consecutive naturals, namely, 15782877 + ... + 15782884.

Almost surely, 2^126263044 is an apocalyptic number.

It is an amenable number.

126263044 is a deficient number, since it is larger than the sum of its proper divisors (94697290).

126263044 is a wasteful number, since it uses less digits than its factorization.

126263044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31565765 (or 31565763 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 126263044 is about 11236.6829625117. The cubic root of 126263044 is about 501.6784181871.

The spelling of 126263044 in words is "one hundred twenty-six million, two hundred sixty-three thousand, forty-four".