1215326034 has 48 divisors (see below), whose sum is σ = 2850120000. Its totient is φ = 372053088.

The previous prime is 1215326017. The next prime is 1215326069. The reversal of 1215326034 is 4306235121.

1215326034 is a `hidden beast` number, since 1 + 2 + 1 + 53 + 2 + 603 + 4 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1215325989 and 1215326007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33517 + ... + 59615.

It is an arithmetic number, because the mean of its divisors is an integer number (59377500).

Almost surely, 2^1215326034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1215326034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1425060000).

1215326034 is an abundant number, since it is smaller than the sum of its proper divisors (1634793966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1215326034 is a wasteful number, since it uses less digits than its factorization.

1215326034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26319 (or 26316 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1215326034 is about 34861.5265586578. The cubic root of 1215326034 is about 1067.1634287494.

The spelling of 1215326034 in words is "one billion, two hundred fifteen million, three hundred twenty-six thousand, thirty-four".