126778732 has 6 divisors (see below), whose sum is σ = 221862788. Its totient is φ = 63389364.

The previous prime is 126778711. The next prime is 126778763. The reversal of 126778732 is 237877621.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 15847338 + ... + 15847345.

Almost surely, 2^126778732 is an apocalyptic number.

It is an amenable number.

126778732 is a deficient number, since it is larger than the sum of its proper divisors (95084056).

126778732 is a wasteful number, since it uses less digits than its factorization.

126778732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31694687 (or 31694685 counting only the distinct ones).

The product of its digits is 197568, while the sum is 43.

The square root of 126778732 is about 11259.6062098104. The cubic root of 126778732 is about 502.3604813855.

The spelling of 126778732 in words is "one hundred twenty-six million, seven hundred seventy-eight thousand, seven hundred thirty-two".