1042660 has 24 divisors (see below), whose sum is σ = 2250360. Its totient is φ = 405504.

The previous prime is 1042633. The next prime is 1042681. The reversal of 1042660 is 662401.

It can be written as a sum of positive squares in 4 ways, for example, as 46656 + 996004 = 216^2 + 998^2 .

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, 36 + ... + 1444.

It is an arithmetic number, because the mean of its divisors is an integer number (93765).

2^1042660 is an apocalyptic number.

1042660 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 1042660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1125180).

1042660 is an abundant number, since it is smaller than the sum of its proper divisors (1207700).

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

1042660 is a wasteful number, since it uses less digits than its factorization.

1042660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455 (or 1453 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1042660 is about 1021.1072421641. The cubic root of 1042660 is about 101.4022451772.

The spelling of 1042660 in words is "one million, forty-two thousand, six hundred sixty".