1215433342 has 16 divisors (see below), whose sum is σ = 1832204592. Its totient is φ = 604704960.

The previous prime is 1215433339. The next prime is 1215433381. The reversal of 1215433342 is 2433345121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1215433342.

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, 793117 + ... + 794647.

It is an arithmetic number, because the mean of its divisors is an integer number (114512787).

Almost surely, 2^1215433342 is an apocalyptic number.

1215433342 is a deficient number, since it is larger than the sum of its proper divisors (616771250).

1215433342 is a wasteful number, since it uses less digits than its factorization.

1215433342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243.

The product of its digits is 8640, while the sum is 28.

The square root of 1215433342 is about 34863.0655852293. The cubic root of 1215433342 is about 1067.1948364539.

Adding to 1215433342 its reverse (2433345121), we get a palindrome (3648778463).

The spelling of 1215433342 in words is "one billion, two hundred fifteen million, four hundred thirty-three thousand, three hundred forty-two".