1281060 has 72 divisors (see below), whose sum is σ = 4245696. Its totient is φ = 310080.

The previous prime is 1281047. The next prime is 1281083. The reversal of 1281060 is 601821.

It is a super-2 number, since 2×1281060² = 3282229447200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1657 + ... + 2303.

It is an arithmetic number, because the mean of its divisors is an integer number (58968).

2^1281060 is an apocalyptic number.

1281060 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 1281060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2122848).

1281060 is an abundant number, since it is smaller than the sum of its proper divisors (2964636).

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

1281060 is a wasteful number, since it uses less digits than its factorization.

1281060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1281060 is about 1131.8392111957. The cubic root of 1281060 is about 108.6066680887.

Adding to 1281060 its reverse (601821), we get a palindrome (1882881).

The spelling of 1281060 in words is "one million, two hundred eighty-one thousand, sixty".