1230018560 has 96 divisors (see below), whose sum is σ = 2980242720. Its totient is φ = 487194624.

The previous prime is 1230018547. The next prime is 1230018563. The reversal of 1230018560 is 658100321.

It is a super-4 number, since 4×1230018560⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230018563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1156589 + ... + 1157651.

It is an arithmetic number, because the mean of its divisors is an integer number (31044195).

Almost surely, 2^1230018560 is an apocalyptic number.

1230018560 is a gapful number since it is divisible by the number (10) 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 1230018560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1490121360).

1230018560 is an abundant number, since it is smaller than the sum of its proper divisors (1750224160).

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

1230018560 is a wasteful number, since it uses less digits than its factorization.

1230018560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203 (or 1183 counting only the distinct ones).

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

The square root of 1230018560 is about 35071.6204359023. The cubic root of 1230018560 is about 1071.4466588100.

Adding to 1230018560 its reverse (658100321), we get a palindrome (1888118881).

The spelling of 1230018560 in words is "one billion, two hundred thirty million, eighteen thousand, five hundred sixty".