1371204 has 36 divisors (see below), whose sum is σ = 3554460. Its totient is φ = 445440.

The previous prime is 1371193. The next prime is 1371217. The reversal of 1371204 is 4021731.

It can be written as a sum of positive squares in 2 ways, for example, as 44100 + 1327104 = 210^2 + 1152^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 1012 + ... + 1940.

It is an arithmetic number, because the mean of its divisors is an integer number (98735).

2^1371204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1371204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1777230).

1371204 is an abundant number, since it is smaller than the sum of its proper divisors (2183256).

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

1371204 is a wasteful number, since it uses less digits than its factorization.

1371204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1371204 is about 1170.9842014306. The cubic root of 1371204 is about 111.0965801738.

Adding to 1371204 its reverse (4021731), we get a palindrome (5392935).

It can be divided in two parts, 13 and 71204, that added together give a palindrome (71217).

The spelling of 1371204 in words is "one million, three hundred seventy-one thousand, two hundred four".