1230115152 has 80 divisors (see below), whose sum is σ = 3659622912. Its totient is φ = 348766080.

The previous prime is 1230115091. The next prime is 1230115193. The reversal of 1230115152 is 2515110321.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30043 + ... + 57989.

Almost surely, 2^1230115152 is an apocalyptic number.

1230115152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230115152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1829811456).

1230115152 is an abundant number, since it is smaller than the sum of its proper divisors (2429507760).

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

1230115152 is a wasteful number, since it uses less digits than its factorization.

1230115152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28096 (or 28090 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1230115152 is about 35072.9974766914. The cubic root of 1230115152 is about 1071.4747045837.

Adding to 1230115152 its reverse (2515110321), we get a palindrome (3745225473).

The spelling of 1230115152 in words is "one billion, two hundred thirty million, one hundred fifteen thousand, one hundred fifty-two".