1215630332 has 48 divisors (see below), whose sum is σ = 2457788928. Its totient is φ = 515332800.

The previous prime is 1215630319. The next prime is 1215630341. The reversal of 1215630332 is 2330365121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1339823 + ... + 1340729.

It is an arithmetic number, because the mean of its divisors is an integer number (51203936).

Almost surely, 2^1215630332 is an apocalyptic number.

It is an amenable number.

1215630332 is an abundant number, since it is smaller than the sum of its proper divisors (1242158596).

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

1215630332 is a wasteful number, since it uses less digits than its factorization.

1215630332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 1215630332 is about 34865.8906669541. The cubic root of 1215630332 is about 1067.2524881427.

Adding to 1215630332 its reverse (2330365121), we get a palindrome (3545995453).

The spelling of 1215630332 in words is "one billion, two hundred fifteen million, six hundred thirty thousand, three hundred thirty-two".