1361500 has 48 divisors (see below), whose sum is σ = 3407040. Its totient is φ = 465600.

The previous prime is 1361497. The next prime is 1361533. The reversal of 1361500 is 51631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3306 + ... + 3694.

It is an arithmetic number, because the mean of its divisors is an integer number (70980).

2^1361500 is an apocalyptic number.

1361500 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 1361500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1703520).

1361500 is an abundant number, since it is smaller than the sum of its proper divisors (2045540).

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

1361500 is a wasteful number, since it uses less digits than its factorization.

1361500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1361500 is about 1166.8333214303. The cubic root of 1361500 is about 110.8338829503.

The spelling of 1361500 in words is "one million, three hundred sixty-one thousand, five hundred".