1215036146 has 8 divisors (see below), whose sum is σ = 1839587760. Its totient is φ = 601840228.

The previous prime is 1215036139. The next prime is 1215036169. The reversal of 1215036146 is 6416305121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2838656 + ... + 2839083.

It is an arithmetic number, because the mean of its divisors is an integer number (229948470).

Almost surely, 2^1215036146 is an apocalyptic number.

1215036146 is a deficient number, since it is larger than the sum of its proper divisors (624551614).

1215036146 is a wasteful number, since it uses less digits than its factorization.

1215036146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5677848.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1215036146 is about 34857.3686040699. The cubic root of 1215036146 is about 1067.0785729265.

The spelling of 1215036146 in words is "one billion, two hundred fifteen million, thirty-six thousand, one hundred forty-six".