1230381152 has 192 divisors, whose sum is σ = 3304240128. Its totient is φ = 435456000.

The previous prime is 1230381107. The next prime is 1230381169. The reversal of 1230381152 is 2511830321.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2274002 + ... + 2274542.

It is an arithmetic number, because the mean of its divisors is an integer number (17209584).

Almost surely, 2^1230381152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230381152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1652120064).

1230381152 is an abundant number, since it is smaller than the sum of its proper divisors (2073858976).

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

1230381152 is a wasteful number, since it uses less digits than its factorization.

1230381152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1230381152 is about 35076.7893627681. The cubic root of 1230381152 is about 1071.5519308851.

The spelling of 1230381152 in words is "one billion, two hundred thirty million, three hundred eighty-one thousand, one hundred fifty-two".