1201221424 has 40 divisors (see below), whose sum is σ = 2540760992. Its totient is φ = 546808320.

The previous prime is 1201221407. The next prime is 1201221431. The reversal of 1201221424 is 4241221021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24372 + ... + 54739.

Almost surely, 2^1201221424 is an apocalyptic number.

It is an amenable number.

1201221424 is an abundant number, since it is smaller than the sum of its proper divisors (1339539568).

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

1201221424 is a wasteful number, since it uses less digits than its factorization.

1201221424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79205 (or 79199 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1201221424 is about 34658.6414044175. The cubic root of 1201221424 is about 1063.0189904472.

Adding to 1201221424 its reverse (4241221021), we get a palindrome (5442442445).

The spelling of 1201221424 in words is "one billion, two hundred one million, two hundred twenty-one thousand, four hundred twenty-four".