1215054030 has 16 divisors (see below), whose sum is σ = 2916129744. Its totient is φ = 324014400.

The previous prime is 1215054013. The next prime is 1215054041. The reversal of 1215054030 is 304505121.

It is a junction number, because it is equal to n+sod(n) for n = 1215053988 and 1215054006.

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, 20250871 + ... + 20250930.

It is an arithmetic number, because the mean of its divisors is an integer number (182258109).

Almost surely, 2^1215054030 is an apocalyptic number.

1215054030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1215054030 is an abundant number, since it is smaller than the sum of its proper divisors (1701075714).

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

1215054030 is a wasteful number, since it uses less digits than its factorization.

1215054030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40501811.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1215054030 is about 34857.6251342515. The cubic root of 1215054030 is about 1067.0838083097.

Adding to 1215054030 its reverse (304505121), we get a palindrome (1519559151).

The spelling of 1215054030 in words is "one billion, two hundred fifteen million, fifty-four thousand, thirty".