1301235000 has 160 divisors (see below), whose sum is σ = 4378410960. Its totient is φ = 320256000.

The previous prime is 1301234971. The next prime is 1301235037. The reversal of 1301235000 is 5321031.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 191664 + ... + 198336.

Almost surely, 2^1301235000 is an apocalyptic number.

1301235000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1301235000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2189205480).

1301235000 is an abundant number, since it is smaller than the sum of its proper divisors (3077175960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1301235000 is a wasteful number, since it uses less digits than its factorization.

1301235000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6715 (or 6696 counting only the distinct ones).

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

The square root of 1301235000 is about 36072.6350576167. The cubic root of 1301235000 is about 1091.7383814227.

Adding to 1301235000 its reverse (5321031), we get a palindrome (1306556031).

The spelling of 1301235000 in words is "one billion, three hundred one million, two hundred thirty-five thousand".