126759428 has 6 divisors (see below), whose sum is σ = 221829006. Its totient is φ = 63379712.

The previous prime is 126759427. The next prime is 126759443. The reversal of 126759428 is 824957621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 125395204 + 1364224 = 11198^2 + 1168^2 .

It is not an unprimeable number, because it can be changed into a prime (126759427) 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, 15844925 + ... + 15844932.

It is an arithmetic number, because the mean of its divisors is an integer number (36971501).

Almost surely, 2^126759428 is an apocalyptic number.

It is an amenable number.

126759428 is a deficient number, since it is larger than the sum of its proper divisors (95069578).

126759428 is a wasteful number, since it uses less digits than its factorization.

126759428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31689861 (or 31689859 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 126759428 is about 11258.7489535916. The cubic root of 126759428 is about 502.3349827370.

The spelling of 126759428 in words is "one hundred twenty-six million, seven hundred fifty-nine thousand, four hundred twenty-eight".