1078780 has 12 divisors (see below), whose sum is σ = 2265480. Its totient is φ = 431504.

The previous prime is 1078757. The next prime is 1078787. The reversal of 1078780 is 878701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078787) 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, 26950 + ... + 26989.

It is an arithmetic number, because the mean of its divisors is an integer number (188790).

2^1078780 is an apocalyptic number.

1078780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1078780 is an abundant number, since it is smaller than the sum of its proper divisors (1186700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1078780 is a wasteful number, since it uses less digits than its factorization.

1078780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53948 (or 53946 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 1078780 is about 1038.6433459085. The cubic root of 1078780 is about 102.5599094546.

The spelling of 1078780 in words is "one million, seventy-eight thousand, seven hundred eighty".