1361000 has 32 divisors (see below), whose sum is σ = 3187080. Its totient is φ = 544000.

The previous prime is 1360981. The next prime is 1361011. The reversal of 1361000 is 1631.

It can be written as a sum of positive squares in 4 ways, for example, as 198916 + 1162084 = 446^2 + 1078^2 .

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, 320 + ... + 1680.

2^1361000 is an apocalyptic number.

1361000 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 1361000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1593540).

1361000 is an abundant number, since it is smaller than the sum of its proper divisors (1826080).

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

1361000 is a wasteful number, since it uses less digits than its factorization.

1361000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382 (or 1368 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1361000 is about 1166.6190466472. The cubic root of 1361000 is about 110.8203136697.

Adding to 1361000 its reverse (1631), we get a palindrome (1362631).

The spelling of 1361000 in words is "one million, three hundred sixty-one thousand".