1215005342 has 16 divisors (see below), whose sum is σ = 1840787520. Its totient is φ = 601419168.

The previous prime is 1215005263. The next prime is 1215005353. The reversal of 1215005342 is 2435005121.

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, 497348 + ... + 499784.

It is an arithmetic number, because the mean of its divisors is an integer number (115049220).

Almost surely, 2^1215005342 is an apocalyptic number.

1215005342 is a deficient number, since it is larger than the sum of its proper divisors (625782178).

1215005342 is a wasteful number, since it uses less digits than its factorization.

1215005342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4835.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1215005342 is about 34856.9267434752. The cubic root of 1215005342 is about 1067.0695552068.

The spelling of 1215005342 in words is "one billion, two hundred fifteen million, five thousand, three hundred forty-two".