1355387 has 4 divisors (see below), whose sum is σ = 1478616. Its totient is φ = 1232160.

The previous prime is 1355371. The next prime is 1355399. The reversal of 1355387 is 7835531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7835531 = 11 ⋅712321.

It is a cyclic number.

It is not a de Polignac number, because 1355387 - 2⁴ = 1355371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355357) 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, 61598 + ... + 61619.

It is an arithmetic number, because the mean of its divisors is an integer number (369654).

2^1355387 is an apocalyptic number.

1355387 is a deficient number, since it is larger than the sum of its proper divisors (123229).

1355387 is a wasteful number, since it uses less digits than its factorization.

1355387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123228.

The product of its digits is 12600, while the sum is 32.

The square root of 1355387 is about 1164.2108915484. The cubic root of 1355387 is about 110.6677563561.

The spelling of 1355387 in words is "one million, three hundred fifty-five thousand, three hundred eighty-seven".