1047880 has 64 divisors (see below), whose sum is σ = 2643840. Its totient is φ = 371712.

The previous prime is 1047859. The next prime is 1047881. The reversal of 1047880 is 887401.

It is not an unprimeable number, because it can be changed into a prime (1047881) 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, 15607 + ... + 15673.

It is an arithmetic number, because the mean of its divisors is an integer number (41310).

2^1047880 is an apocalyptic number.

1047880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1047880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1321920).

1047880 is an abundant number, since it is smaller than the sum of its proper divisors (1595960).

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

1047880 is a wasteful number, since it uses less digits than its factorization.

1047880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 1047880 is about 1023.6600998378. The cubic root of 1047880 is about 101.5711845039.

The spelling of 1047880 in words is "one million, forty-seven thousand, eight hundred eighty".