1235215 has 12 divisors (see below), whose sum is σ = 1552824. Its totient is φ = 943184.

The previous prime is 1235191. The next prime is 1235239. The reversal of 1235215 is 5125321.

It is an interprime number because it is at equal distance from previous prime (1235191) and next prime (1235239).

It is not a de Polignac number, because 1235215 - 2⁵ = 1235183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1235192 and 1235201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2412 + ... + 2878.

It is an arithmetic number, because the mean of its divisors is an integer number (129402).

2^1235215 is an apocalyptic number.

1235215 is a deficient number, since it is larger than the sum of its proper divisors (317609).

1235215 is an equidigital number, since it uses as much as digits as its factorization.

1235215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 495 counting only the distinct ones).

The product of its digits is 300, while the sum is 19.

The square root of 1235215 is about 1111.4022674082. The cubic root of 1235215 is about 107.2953380254.

The spelling of 1235215 in words is "one million, two hundred thirty-five thousand, two hundred fifteen".