1215135067 has 8 divisors (see below), whose sum is σ = 1248937920. Its totient is φ = 1181780160.

The previous prime is 1215135059. The next prime is 1215135091. The reversal of 1215135067 is 7605315121.

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

It is a cyclic number.

It is not a de Polignac number, because 1215135067 - 2³ = 1215135059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1215130067) 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, 106483 + ... + 117340.

It is an arithmetic number, because the mean of its divisors is an integer number (156117240).

Almost surely, 2^1215135067 is an apocalyptic number.

1215135067 is a deficient number, since it is larger than the sum of its proper divisors (33802853).

1215135067 is an equidigital number, since it uses as much as digits as its factorization.

1215135067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223973.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 1215135067 is about 34858.7875147717. The cubic root of 1215135067 is about 1067.1075305328.

The spelling of 1215135067 in words is "one billion, two hundred fifteen million, one hundred thirty-five thousand, sixty-seven".