1301235 has 16 divisors (see below), whose sum is σ = 2242464. Its totient is φ = 640512.

The previous prime is 1301233. The next prime is 1301239. The reversal of 1301235 is 5321031.

It is a happy number.

It is not a de Polignac number, because 1301235 - 2¹ = 1301233 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (1301233) 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, 3142 + ... + 3531.

It is an arithmetic number, because the mean of its divisors is an integer number (140154).

2^1301235 is an apocalyptic number.

1301235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1301235 is a deficient number, since it is larger than the sum of its proper divisors (941229).

1301235 is a wasteful number, since it uses less digits than its factorization.

1301235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6694.

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

The square root of 1301235 is about 1140.7168798611. The cubic root of 1301235 is about 109.1738381423.

Adding to 1301235 its reverse (5321031), we get a palindrome (6622266).

The spelling of 1301235 in words is "one million, three hundred one thousand, two hundred thirty-five".