1233412240 has 20 divisors (see below), whose sum is σ = 2867683644. Its totient is φ = 493364864.

The previous prime is 1233412231. The next prime is 1233412247. The reversal of 1233412240 is 422143321.

It can be written as a sum of positive squares in 2 ways, for example, as 461906064 + 771506176 = 21492^2 + 27776^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (1233412247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7708747 + ... + 7708906.

Almost surely, 2^1233412240 is an apocalyptic number.

1233412240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233412240 is an abundant number, since it is smaller than the sum of its proper divisors (1634271404).

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

1233412240 is a wasteful number, since it uses less digits than its factorization.

1233412240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15417666 (or 15417660 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1233412240 is about 35119.9692482781. The cubic root of 1233412240 is about 1072.4311447981.

Adding to 1233412240 its reverse (422143321), we get a palindrome (1655555561).

The spelling of 1233412240 in words is "one billion, two hundred thirty-three million, four hundred twelve thousand, two hundred forty".