1242211132 has 12 divisors (see below), whose sum is σ = 2174130616. Its totient is φ = 621030960.

The previous prime is 1242211129. The next prime is 1242211171. The reversal of 1242211132 is 2311122421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37783 + ... + 62545.

Almost surely, 2^1242211132 is an apocalyptic number.

It is an amenable number.

1242211132 is a deficient number, since it is larger than the sum of its proper divisors (931919484).

1242211132 is a wasteful number, since it uses less digits than its factorization.

1242211132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37308 (or 37306 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 1242211132 is about 35245.0157043517. The cubic root of 1242211132 is about 1074.9752673596.

Adding to 1242211132 its reverse (2311122421), we get a palindrome (3553333553).

The spelling of 1242211132 in words is "one billion, two hundred forty-two million, two hundred eleven thousand, one hundred thirty-two".