1078730 has 8 divisors (see below), whose sum is σ = 1941732. Its totient is φ = 431488.

The previous prime is 1078717. The next prime is 1078733. The reversal of 1078730 is 378701.

It can be written as a sum of positive squares in 2 ways, for example, as 1002001 + 76729 = 1001^2 + 277^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1078730.

It is not an unprimeable number, because it can be changed into a prime (1078733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53927 + ... + 53946.

2^1078730 is an apocalyptic number.

1078730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1078730 is a deficient number, since it is larger than the sum of its proper divisors (863002).

1078730 is a wasteful number, since it uses less digits than its factorization.

1078730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107880.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 1078730 is about 1038.6192757695. The cubic root of 1078730 is about 102.5583249256.

It can be divided in two parts, 10787 and 30, that multiplied together give a triangular number (323610 = T₈₀₄).

The spelling of 1078730 in words is "one million, seventy-eight thousand, seven hundred thirty".