1201221230 has 64 divisors (see below), whose sum is σ = 2590963200. Its totient is φ = 395809920.

The previous prime is 1201221227. The next prime is 1201221233. The reversal of 1201221230 is 321221021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1201221227) and next prime (1201221233).

It is a super-3 number, since 3×1201221230³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201221233) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 35576 + ... + 60564.

It is an arithmetic number, because the mean of its divisors is an integer number (40483800).

Almost surely, 2^1201221230 is an apocalyptic number.

1201221230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201221230 is an abundant number, since it is smaller than the sum of its proper divisors (1389741970).

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

1201221230 is a wasteful number, since it uses less digits than its factorization.

1201221230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25049.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1201221230 is about 34658.6386056925. The cubic root of 1201221230 is about 1063.0189332205.

Adding to 1201221230 its reverse (321221021), we get a palindrome (1522442251).

The spelling of 1201221230 in words is "one billion, two hundred one million, two hundred twenty-one thousand, two hundred thirty".