1359861 has 8 divisors (see below), whose sum is σ = 1862304. Its totient is φ = 882000.

The previous prime is 1359859. The next prime is 1359871. The reversal of 1359861 is 1689531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1359861 - 2¹ = 1359859 is a prime.

1359861 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1359871) 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, 6015 + ... + 6236.

It is an arithmetic number, because the mean of its divisors is an integer number (232788).

2^1359861 is an apocalyptic number.

It is an amenable number.

1359861 is a deficient number, since it is larger than the sum of its proper divisors (502443).

1359861 is a wasteful number, since it uses less digits than its factorization.

1359861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12291.

The product of its digits is 6480, while the sum is 33.

The square root of 1359861 is about 1166.1307816879. The cubic root of 1359861 is about 110.7893904354.

The spelling of 1359861 in words is "one million, three hundred fifty-nine thousand, eight hundred sixty-one".