1315235 has 4 divisors (see below), whose sum is σ = 1578288. Its totient is φ = 1052184.

The previous prime is 1315231. The next prime is 1315243. The reversal of 1315235 is 5325131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1315235 - 2² = 1315231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131519 + ... + 131528.

It is an arithmetic number, because the mean of its divisors is an integer number (394572).

2^1315235 is an apocalyptic number.

1315235 is a deficient number, since it is larger than the sum of its proper divisors (263053).

1315235 is an equidigital number, since it uses as much as digits as its factorization.

1315235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263052.

The product of its digits is 450, while the sum is 20.

The square root of 1315235 is about 1146.8369544098. The cubic root of 1315235 is about 109.5639764307.

It can be divided in two parts, 13152 and 35, that multiplied together give a triangular number (460320 = T₉₅₉).

The spelling of 1315235 in words is "one million, three hundred fifteen thousand, two hundred thirty-five".