1332247128 has 32 divisors (see below), whose sum is σ = 3331584960. Its totient is φ = 443953440.

The previous prime is 1332247093. The next prime is 1332247151. The reversal of 1332247128 is 8217422331.

It is a congruent number.

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, 114123 + ... + 125253.

It is an arithmetic number, because the mean of its divisors is an integer number (104112030).

Almost surely, 2^1332247128 is an apocalyptic number.

It is an amenable number.

1332247128 is an abundant number, since it is smaller than the sum of its proper divisors (1999337832).

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

1332247128 is a wasteful number, since it uses less digits than its factorization.

1332247128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16127 (or 16123 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 1332247128 is about 36499.9606575130. The cubic root of 1332247128 is about 1100.3434541843.

Adding to 1332247128 its reverse (8217422331), we get a palindrome (9549669459).

The spelling of 1332247128 in words is "one billion, three hundred thirty-two million, two hundred forty-seven thousand, one hundred twenty-eight".