1244211132 has 24 divisors (see below), whose sum is σ = 2939910400. Its totient is φ = 409486896.

The previous prime is 1244211131. The next prime is 1244211139. The reversal of 1244211132 is 2311124421.

It is a super-2 number, since 2×1244211132² = 3096122681985442848, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1244211099 and 1244211108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244211131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655282 + ... + 657177.

Almost surely, 2^1244211132 is an apocalyptic number.

1244211132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1244211132 is an abundant number, since it is smaller than the sum of its proper divisors (1695699268).

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

1244211132 is a wasteful number, since it uses less digits than its factorization.

1244211132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312545 (or 1312543 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 1244211132 is about 35273.3770994499. The cubic root of 1244211132 is about 1075.5518729731.

Adding to 1244211132 its reverse (2311124421), we get a palindrome (3555335553).

The spelling of 1244211132 in words is "one billion, two hundred forty-four million, two hundred eleven thousand, one hundred thirty-two".