1361730 has 32 divisors (see below), whose sum is σ = 3441600. Its totient is φ = 343872.

The previous prime is 1361713. The next prime is 1361741. The reversal of 1361730 is 371631.

It is a junction number, because it is equal to n+sod(n) for n = 1361697 and 1361706.

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, 625 + ... + 1764.

It is an arithmetic number, because the mean of its divisors is an integer number (107550).

2^1361730 is an apocalyptic number.

1361730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1361730 is an abundant number, since it is smaller than the sum of its proper divisors (2079870).

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

1361730 is a wasteful number, since it uses less digits than its factorization.

1361730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 1361730 is about 1166.9318746182. The cubic root of 1361730 is about 110.8401237038.

Subtracting from 1361730 its reverse (371631), we obtain a palindrome (990099).

The spelling of 1361730 in words is "one million, three hundred sixty-one thousand, seven hundred thirty".