1361215 has 8 divisors (see below), whose sum is σ = 1660608. Its totient is φ = 1070880.

The previous prime is 1361197. The next prime is 1361273. The reversal of 1361215 is 5121631.

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

It is not a de Polignac number, because 1361215 - 2⁵ = 1361183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1361192 and 1361201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1927 + ... + 2536.

It is an arithmetic number, because the mean of its divisors is an integer number (207576).

2^1361215 is an apocalyptic number.

1361215 is a deficient number, since it is larger than the sum of its proper divisors (299393).

1361215 is an equidigital number, since it uses as much as digits as its factorization.

1361215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4529.

The product of its digits is 180, while the sum is 19.

The square root of 1361215 is about 1166.7111896266. The cubic root of 1361215 is about 110.8261488675.

Adding to 1361215 its reverse (5121631), we get a palindrome (6482846).

The spelling of 1361215 in words is "one million, three hundred sixty-one thousand, two hundred fifteen".