1355879 has 16 divisors (see below), whose sum is σ = 1632000. Its totient is φ = 1125432.

The previous prime is 1355867. The next prime is 1355881. The reversal of 1355879 is 9785531.

It is not a de Polignac number, because 1355879 - 2⁴ = 1355863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20204 + ... + 20270.

It is an arithmetic number, because the mean of its divisors is an integer number (102000).

2^1355879 is an apocalyptic number.

1355879 is a deficient number, since it is larger than the sum of its proper divisors (276121).

1355879 is an frugal number, since it uses more digits than its factorization.

1355879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 133 counting only the distinct ones).

The product of its digits is 37800, while the sum is 38.

The square root of 1355879 is about 1164.4221742993. The cubic root of 1355879 is about 110.6811453855.

The spelling of 1355879 in words is "one million, three hundred fifty-five thousand, eight hundred seventy-nine".