1361724 has 96 divisors (see below), whose sum is σ = 4139520. Its totient is φ = 338688.

The previous prime is 1361713. The next prime is 1361741. The reversal of 1361724 is 4271631.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1361694 and 1361703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31647 + ... + 31689.

It is an arithmetic number, because the mean of its divisors is an integer number (43120).

2^1361724 is an apocalyptic number.

1361724 is a gapful number since it is divisible by the number (14) 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 1361724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2069760).

1361724 is an abundant number, since it is smaller than the sum of its proper divisors (2777796).

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

1361724 is a wasteful number, since it uses less digits than its factorization.

1361724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 97 counting only the distinct ones).

The product of its digits is 1008, while the sum is 24.

The square root of 1361724 is about 1166.9293037712. The cubic root of 1361724 is about 110.8399609105.

The spelling of 1361724 in words is "one million, three hundred sixty-one thousand, seven hundred twenty-four".