1201341330 has 144 divisors (see below), whose sum is σ = 3648849984. Its totient is φ = 273430080.

The previous prime is 1201341311. The next prime is 1201341331. The reversal of 1201341330 is 331431021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1201341331) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1459299 + ... + 1460121.

It is an arithmetic number, because the mean of its divisors is an integer number (25339236).

Almost surely, 2^1201341330 is an apocalyptic number.

1201341330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201341330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1824424992).

1201341330 is an abundant number, since it is smaller than the sum of its proper divisors (2447508654).

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

1201341330 is a wasteful number, since it uses less digits than its factorization.

1201341330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1201341330 is about 34660.3711751620. The cubic root of 1201341330 is about 1063.0543594784.

Adding to 1201341330 its reverse (331431021), we get a palindrome (1532772351).

The spelling of 1201341330 in words is "one billion, two hundred one million, three hundred forty-one thousand, three hundred thirty".