1371345 has 8 divisors (see below), whose sum is σ = 2194176. Its totient is φ = 731376.

The previous prime is 1371343. The next prime is 1371353. The reversal of 1371345 is 5431731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1371345 - 2¹ = 1371343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1371343) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 45697 + ... + 45726.

It is an arithmetic number, because the mean of its divisors is an integer number (274272).

2^1371345 is an apocalyptic number.

1371345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1371345 is a deficient number, since it is larger than the sum of its proper divisors (822831).

1371345 is an equidigital number, since it uses as much as digits as its factorization.

1371345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91431.

The product of its digits is 1260, while the sum is 24.

The square root of 1371345 is about 1171.0444056482. The cubic root of 1371345 is about 111.1003880392.

The spelling of 1371345 in words is "one million, three hundred seventy-one thousand, three hundred forty-five".