1373120 has 56 divisors (see below), whose sum is σ = 3742944. Its totient is φ = 470016.

The previous prime is 1373087. The next prime is 1373129. The reversal of 1373120 is 213731.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1934 + ... + 2546.

2^1373120 is an apocalyptic number.

1373120 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 1373120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1871472).

1373120 is an abundant number, since it is smaller than the sum of its proper divisors (2369824).

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

1373120 is an equidigital number, since it uses as much as digits as its factorization.

1373120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 1373120 is about 1171.8020310616. The cubic root of 1373120 is about 111.1483016245.

Adding to 1373120 its reverse (213731), we get a palindrome (1586851).

The spelling of 1373120 in words is "one million, three hundred seventy-three thousand, one hundred twenty".