1215326030 has 16 divisors (see below), whose sum is σ = 2191132080. Its totient is φ = 485342592.

The previous prime is 1215326017. The next prime is 1215326069. The reversal of 1215326030 is 306235121.

It is a junction number, because it is equal to n+sod(n) for n = 1215325987 and 1215326005.

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, 91979 + ... + 104358.

It is an arithmetic number, because the mean of its divisors is an integer number (136945755).

Almost surely, 2^1215326030 is an apocalyptic number.

1215326030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1215326030 is a deficient number, since it is larger than the sum of its proper divisors (975806050).

1215326030 is a wasteful number, since it uses less digits than its factorization.

1215326030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196963.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1215326030 is about 34861.5265012879. The cubic root of 1215326030 is about 1067.1634275786.

Subtracting from 1215326030 its reverse (306235121), we obtain a palindrome (909090909).

It can be divided in two parts, 12153 and 26030, that added together give a palindrome (38183).

The spelling of 1215326030 in words is "one billion, two hundred fifteen million, three hundred twenty-six thousand, thirty".