1232442100 has 54 divisors (see below), whose sum is σ = 2708522390. Its totient is φ = 486765120.

The previous prime is 1232442073. The next prime is 1232442119. The reversal of 1232442100 is 12442321.

It can be written as a sum of positive squares in 3 ways, for example, as 309619216 + 922822884 = 17596^2 + 30378^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 688006 + ... + 689794.

Almost surely, 2^1232442100 is an apocalyptic number.

1232442100 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 1232442100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1354261195).

1232442100 is an abundant number, since it is smaller than the sum of its proper divisors (1476080290).

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

1232442100 is a wasteful number, since it uses less digits than its factorization.

1232442100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969 (or 1879 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1232442100 is about 35106.1547310440. The cubic root of 1232442100 is about 1072.1498975898.

Adding to 1232442100 its reverse (12442321), we get a palindrome (1244884421).

The spelling of 1232442100 in words is "one billion, two hundred thirty-two million, four hundred forty-two thousand, one hundred".