1215034342 has 16 divisors (see below), whose sum is σ = 1873604592. Its totient is φ = 590531040.

The previous prime is 1215034333. The next prime is 1215034349. The reversal of 1215034342 is 2434305121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215034349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75792 + ... + 90412.

It is an arithmetic number, because the mean of its divisors is an integer number (117100287).

Almost surely, 2^1215034342 is an apocalyptic number.

1215034342 is a deficient number, since it is larger than the sum of its proper divisors (658570250).

1215034342 is a wasteful number, since it uses less digits than its factorization.

1215034342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15783.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1215034342 is about 34857.3427271787. The cubic root of 1215034342 is about 1067.0780448185.

Adding to 1215034342 its reverse (2434305121), we get a palindrome (3649339463).

The spelling of 1215034342 in words is "one billion, two hundred fifteen million, thirty-four thousand, three hundred forty-two".