1012880 has 40 divisors (see below), whose sum is σ = 2571264. Its totient is φ = 368000.

The previous prime is 1012861. The next prime is 1012903. The reversal of 1012880 is 882101.

1012880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305 + ... + 1455.

2^1012880 is an apocalyptic number.

1012880 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 1012880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1285632).

1012880 is an abundant number, since it is smaller than the sum of its proper divisors (1558384).

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

1012880 is a wasteful number, since it uses less digits than its factorization.

1012880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175 (or 1169 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 1012880 is about 1006.4193956796. The cubic root of 1012880 is about 100.4275031397.

Adding to 1012880 its reverse (882101), we get a palindrome (1894981).

The spelling of 1012880 in words is "one million, twelve thousand, eight hundred eighty".