1231446364 has 12 divisors (see below), whose sum is σ = 2179245600. Its totient is φ = 608804768.

The previous prime is 1231446353. The next prime is 1231446379. The reversal of 1231446364 is 4636441321.

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, 1729204 + ... + 1729915.

It is an arithmetic number, because the mean of its divisors is an integer number (181603800).

Almost surely, 2^1231446364 is an apocalyptic number.

It is an amenable number.

1231446364 is a deficient number, since it is larger than the sum of its proper divisors (947799236).

1231446364 is a wasteful number, since it uses less digits than its factorization.

1231446364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3459212 (or 3459210 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 1231446364 is about 35091.9700786376. The cubic root of 1231446364 is about 1071.8610764782.

Adding to 1231446364 its reverse (4636441321), we get a palindrome (5867887685).

The spelling of 1231446364 in words is "one billion, two hundred thirty-one million, four hundred forty-six thousand, three hundred sixty-four".