1230445524 has 192 divisors, whose sum is σ = 3785564160. Its totient is φ = 301701120.

The previous prime is 1230445507. The next prime is 1230445603. The reversal of 1230445524 is 4255440321.

It is a junction number, because it is equal to n+sod(n) for n = 1230445491 and 1230445500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1258924 + ... + 1259900.

It is an arithmetic number, because the mean of its divisors is an integer number (19716480).

Almost surely, 2^1230445524 is an apocalyptic number.

1230445524 is a gapful number since it is divisible by the number (14) 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 1230445524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1892782080).

1230445524 is an abundant number, since it is smaller than the sum of its proper divisors (2555118636).

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

1230445524 is a wasteful number, since it uses less digits than its factorization.

1230445524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078 (or 1076 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1230445524 is about 35077.7069375978. The cubic root of 1230445524 is about 1071.5706179773.

Adding to 1230445524 its reverse (4255440321), we get a palindrome (5485885845).

The spelling of 1230445524 in words is "one billion, two hundred thirty million, four hundred forty-five thousand, five hundred twenty-four".