1235 has 8 divisors (see below), whose sum is σ = 1680. Its totient is φ = 864.

The previous prime is 1231. The next prime is 1237. The reversal of 1235 is 5321.

1235 = 3² + 4² + ... + 15².

1235 is nontrivially palindromic in base 15.

1235 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

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

It is a cyclic number.

It is not a de Polignac number, because 1235 - 2² = 1231 is a prime.

1235 is an undulating number in base 8 and base 15.

It is a plaindrome in base 10.

It is a nialpdrome in base 13 and base 14.

It is not an unprimeable number, because it can be changed into a prime (1231) 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, 56 + ... + 74.

It is an arithmetic number, because the mean of its divisors is an integer number (210).

1235 is a deficient number, since it is larger than the sum of its proper divisors (445).

1235 is a wasteful number, since it uses less digits than its factorization.

1235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37.

The product of its digits is 30, while the sum is 11.

The square root of 1235 is about 35.1425667816. The cubic root of 1235 is about 10.7289112433.

Adding to 1235 its reverse (5321), we get a palindrome (6556).

It can be divided in two parts, 123 and 5, that added together give a 7-th power (128 = 2⁷).

The spelling of 1235 in words is "one thousand, two hundred thirty-five".