1421242232 has 32 divisors (see below), whose sum is σ = 2706974400. Its totient is φ = 699439104.

The previous prime is 1421242219. The next prime is 1421242271. The reversal of 1421242232 is 2322421241.

It is a junction number, because it is equal to n+sod(n) for n = 1421242198 and 1421242207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209648 + ... + 216320.

It is an arithmetic number, because the mean of its divisors is an integer number (84592950).

Almost surely, 2^1421242232 is an apocalyptic number.

It is an amenable number.

1421242232 is a deficient number, since it is larger than the sum of its proper divisors (1285732168).

1421242232 is a wasteful number, since it uses less digits than its factorization.

1421242232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7095 (or 7091 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 1421242232 is about 37699.3664668254. The cubic root of 1421242232 is about 1124.3185290423.

Adding to 1421242232 its reverse (2322421241), we get a palindrome (3743663473).

The spelling of 1421242232 in words is "one billion, four hundred twenty-one million, two hundred forty-two thousand, two hundred thirty-two".