1302135 has 16 divisors (see below), whose sum is σ = 2128896. Its totient is φ = 679328.

The previous prime is 1302121. The next prime is 1302137. The reversal of 1302135 is 5312031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1302135 - 2⁸ = 1301879 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219 + ... + 1628.

It is an arithmetic number, because the mean of its divisors is an integer number (133056).

2^1302135 is an apocalyptic number.

1302135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1302135 is a deficient number, since it is larger than the sum of its proper divisors (826761).

1302135 is a wasteful number, since it uses less digits than its factorization.

1302135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1302135 is about 1141.1113004436. Note that the first 3 decimals coincide. The cubic root of 1302135 is about 109.1990023926.

Adding to 1302135 its reverse (5312031), we get a palindrome (6614166).

The spelling of 1302135 in words is "one million, three hundred two thousand, one hundred thirty-five".