1201330270 has 32 divisors (see below), whose sum is σ = 2513203200. Its totient is φ = 404902176.

The previous prime is 1201330261. The next prime is 1201330289. The reversal of 1201330270 is 720331021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141310 + ... + 149569.

It is an arithmetic number, because the mean of its divisors is an integer number (78537600).

Almost surely, 2^1201330270 is an apocalyptic number.

1201330270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201330270 is an abundant number, since it is smaller than the sum of its proper divisors (1311872930).

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

1201330270 is a wasteful number, since it uses less digits than its factorization.

1201330270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290952.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 1201330270 is about 34660.2116265899. The cubic root of 1201330270 is about 1063.0510971757.

Adding to 1201330270 its reverse (720331021), we get a palindrome (1921661291).

The spelling of 1201330270 in words is "one billion, two hundred one million, three hundred thirty thousand, two hundred seventy".