1371885 has 8 divisors (see below), whose sum is σ = 2195040. Its totient is φ = 731664.

The previous prime is 1371863. The next prime is 1371893. The reversal of 1371885 is 5881731.

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

It is not a de Polignac number, because 1371885 - 2¹⁰ = 1370861 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45715 + ... + 45744.

It is an arithmetic number, because the mean of its divisors is an integer number (274380).

2^1371885 is an apocalyptic number.

1371885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1371885 is a deficient number, since it is larger than the sum of its proper divisors (823155).

1371885 is an equidigital number, since it uses as much as digits as its factorization.

1371885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91467.

The product of its digits is 6720, while the sum is 33.

The square root of 1371885 is about 1171.2749463725. The cubic root of 1371885 is about 111.1149689401.

The spelling of 1371885 in words is "one million, three hundred seventy-one thousand, eight hundred eighty-five".