1230452500 has 60 divisors (see below), whose sum is σ = 2698576804. Its totient is φ = 490752000.

The previous prime is 1230452491. The next prime is 1230452519. The reversal of 1230452500 is 52540321.

It can be written as a sum of positive squares in 10 ways, for example, as 859427856 + 371024644 = 29316^2 + 19262^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1442074 + ... + 1442926.

Almost surely, 2^1230452500 is an apocalyptic number.

1230452500 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 1230452500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349288402).

1230452500 is an abundant number, since it is smaller than the sum of its proper divisors (1468124304).

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

1230452500 is an equidigital number, since it uses as much as digits as its factorization.

1230452500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454 (or 1437 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1230452500 is about 35077.8063738313. The cubic root of 1230452500 is about 1071.5726430601.

Adding to 1230452500 its reverse (52540321), we get a palindrome (1282992821).

The spelling of 1230452500 in words is "one billion, two hundred thirty million, four hundred fifty-two thousand, five hundred".