1215002006 has 16 divisors (see below), whose sum is σ = 1919209200. Its totient is φ = 575291808.

The previous prime is 1215001993. The next prime is 1215002027. The reversal of 1215002006 is 6002005121.

It is a Curzon number.

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, 118700 + ... + 128528.

It is an arithmetic number, because the mean of its divisors is an integer number (119950575).

Almost surely, 2^1215002006 is an apocalyptic number.

1215002006 is a deficient number, since it is larger than the sum of its proper divisors (704207194).

1215002006 is a wasteful number, since it uses less digits than its factorization.

1215002006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13103.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1215002006 is about 34856.8788906867. The cubic root of 1215002006 is about 1067.0685786000.

Adding to 1215002006 its reverse (6002005121), we get a palindrome (7217007127).

The spelling of 1215002006 in words is "one billion, two hundred fifteen million, two thousand, six".