1201431324 has 12 divisors (see below), whose sum is σ = 2803339784. Its totient is φ = 400477104.

The previous prime is 1201431311. The next prime is 1201431331. The reversal of 1201431324 is 4231341021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1201431324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50059627 + ... + 50059650.

Almost surely, 2^1201431324 is an apocalyptic number.

It is an amenable number.

1201431324 is an abundant number, since it is smaller than the sum of its proper divisors (1601908460).

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

1201431324 is a wasteful number, since it uses less digits than its factorization.

1201431324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100119284 (or 100119282 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1201431324 is about 34661.6693769934. The cubic root of 1201431324 is about 1063.0809037316.

Adding to 1201431324 its reverse (4231341021), we get a palindrome (5432772345).

The spelling of 1201431324 in words is "one billion, two hundred one million, four hundred thirty-one thousand, three hundred twenty-four".