1215132014 has 4 divisors (see below), whose sum is σ = 1822698024. Its totient is φ = 607566006.

The previous prime is 1215132011. The next prime is 1215132019. The reversal of 1215132014 is 4102315121.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1215132014² = 2953091622895392392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215132011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303783002 + ... + 303783005.

It is an arithmetic number, because the mean of its divisors is an integer number (455674506).

Almost surely, 2^1215132014 is an apocalyptic number.

1215132014 is a deficient number, since it is larger than the sum of its proper divisors (607566010).

1215132014 is an equidigital number, since it uses as much as digits as its factorization.

1215132014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607566009.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1215132014 is about 34858.7437237775. The cubic root of 1215132014 is about 1067.1066368373.

Adding to 1215132014 its reverse (4102315121), we get a palindrome (5317447135).

The spelling of 1215132014 in words is "one billion, two hundred fifteen million, one hundred thirty-two thousand, fourteen".