1350891 has 8 divisors (see below), whose sum is σ = 2001360. Its totient is φ = 900576.

The previous prime is 1350889. The next prime is 1350893. The reversal of 1350891 is 1980531.

It is an interprime number because it is at equal distance from previous prime (1350889) and next prime (1350893).

It is not a de Polignac number, because 1350891 - 2¹ = 1350889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 50033 = 1350891 / (1 + 3 + 5 + 0 + 8 + 9 + 1).

1350891 is a modest number, since divided by 891 gives 135 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1350893) 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, 24990 + ... + 25043.

It is an arithmetic number, because the mean of its divisors is an integer number (250170).

2^1350891 is an apocalyptic number.

1350891 is a deficient number, since it is larger than the sum of its proper divisors (650469).

1350891 is an equidigital number, since it uses as much as digits as its factorization.

1350891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50042 (or 50036 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1350891 is about 1162.2783659692. The cubic root of 1350891 is about 110.5452542198.

The spelling of 1350891 in words is "one million, three hundred fifty thousand, eight hundred ninety-one".