1351873 has 4 divisors (see below), whose sum is σ = 1354288. Its totient is φ = 1349460.

The previous prime is 1351853. The next prime is 1351897. The reversal of 1351873 is 3781531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1351873 - 2⁵ = 1351841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1351813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118 + ... + 1648.

It is an arithmetic number, because the mean of its divisors is an integer number (338572).

2^1351873 is an apocalyptic number.

It is an amenable number.

1351873 is a deficient number, since it is larger than the sum of its proper divisors (2415).

1351873 is an equidigital number, since it uses as much as digits as its factorization.

1351873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414.

The product of its digits is 2520, while the sum is 28.

The square root of 1351873 is about 1162.7007353571. The cubic root of 1351873 is about 110.5720338654.

The spelling of 1351873 in words is "one million, three hundred fifty-one thousand, eight hundred seventy-three".