1244355132 has 12 divisors (see below), whose sum is σ = 2903495336. Its totient is φ = 414785040.

The previous prime is 1244355083. The next prime is 1244355139. The reversal of 1244355132 is 2315534421.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1244355132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244355139) 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, 51848119 + ... + 51848142.

Almost surely, 2^1244355132 is an apocalyptic number.

1244355132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1244355132 is an abundant number, since it is smaller than the sum of its proper divisors (1659140204).

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

1244355132 is a wasteful number, since it uses less digits than its factorization.

1244355132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103696268 (or 103696266 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 1244355132 is about 35275.4182399018. The cubic root of 1244355132 is about 1075.5933647240.

Adding to 1244355132 its reverse (2315534421), we get a palindrome (3559889553).

The spelling of 1244355132 in words is "one billion, two hundred forty-four million, three hundred fifty-five thousand, one hundred thirty-two".