1078949926 has 32 divisors (see below), whose sum is σ = 1668925440. Its totient is φ = 522995616.

The previous prime is 1078949923. The next prime is 1078949953. The reversal of 1078949926 is 6299498701.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078949923) by changing a digit.

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, 2717560 + ... + 2717956.

It is an arithmetic number, because the mean of its divisors is an integer number (52153920).

Almost surely, 2^1078949926 is an apocalyptic number.

1078949926 is a deficient number, since it is larger than the sum of its proper divisors (589975514).

1078949926 is a wasteful number, since it uses less digits than its factorization.

1078949926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The square root of 1078949926 is about 32847.3731978677. The cubic root of 1078949926 is about 1025.6529414235.

The spelling of 1078949926 in words is "one billion, seventy-eight million, nine hundred forty-nine thousand, nine hundred twenty-six".