1230353040 has 160 divisors (see below), whose sum is σ = 4398218496. Its totient is φ = 278691840.

The previous prime is 1230353039. The next prime is 1230353071. The reversal of 1230353040 is 403530321.

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

It is a junction number, because it is equal to n+sod(n) for n = 1230352998 and 1230353016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186600 + ... + 193080.

Almost surely, 2^1230353040 is an apocalyptic number.

1230353040 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 1230353040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2199109248).

1230353040 is an abundant number, since it is smaller than the sum of its proper divisors (3167865456).

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

1230353040 is a wasteful number, since it uses less digits than its factorization.

1230353040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6617 (or 6611 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 1230353040 is about 35076.3886396533. The cubic root of 1230353040 is about 1071.5437698104.

Adding to 1230353040 its reverse (403530321), we get a palindrome (1633883361).

The spelling of 1230353040 in words is "one billion, two hundred thirty million, three hundred fifty-three thousand, forty".