1241221432 has 32 divisors (see below), whose sum is σ = 2574633600. Its totient is φ = 556242400.

The previous prime is 1241221367. The next prime is 1241221439. The reversal of 1241221432 is 2341221421.

It is a super-2 number, since 2×1241221432² = 3081261286512261248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241221439) 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, 93082 + ... + 105577.

It is an arithmetic number, because the mean of its divisors is an integer number (80457300).

Almost surely, 2^1241221432 is an apocalyptic number.

It is an amenable number.

1241221432 is an abundant number, since it is smaller than the sum of its proper divisors (1333412168).

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

1241221432 is a wasteful number, since it uses less digits than its factorization.

1241221432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198747 (or 198743 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 1241221432 is about 35230.9726235311. The cubic root of 1241221432 is about 1074.6897051430.

Adding to 1241221432 its reverse (2341221421), we get a palindrome (3582442853).

The spelling of 1241221432 in words is "one billion, two hundred forty-one million, two hundred twenty-one thousand, four hundred thirty-two".