1371023 has 4 divisors (see below), whose sum is σ = 1377240. Its totient is φ = 1364808.

The previous prime is 1371017. The next prime is 1371031. The reversal of 1371023 is 3201731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1371023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1370992 and 1371010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2765 + ... + 3222.

It is an arithmetic number, because the mean of its divisors is an integer number (344310).

2^1371023 is an apocalyptic number.

1371023 is a deficient number, since it is larger than the sum of its proper divisors (6217).

1371023 is an equidigital number, since it uses as much as digits as its factorization.

1371023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6216.

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

The square root of 1371023 is about 1170.9069134649. The cubic root of 1371023 is about 111.0916916802.

Adding to 1371023 its reverse (3201731), we get a palindrome (4572754).

The spelling of 1371023 in words is "one million, three hundred seventy-one thousand, twenty-three".