1242113432 has 32 divisors (see below), whose sum is σ = 2818242720. Its totient is φ = 501020160.

The previous prime is 1242113423. The next prime is 1242113441. The reversal of 1242113432 is 2343112421.

It is an interprime number because it is at equal distance from previous prime (1242113423) and next prime (1242113441).

It is a junction number, because it is equal to n+sod(n) for n = 1242113398 and 1242113407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651419 + ... + 653322.

It is an arithmetic number, because the mean of its divisors is an integer number (88070085).

Almost surely, 2^1242113432 is an apocalyptic number.

It is an amenable number.

1242113432 is an abundant number, since it is smaller than the sum of its proper divisors (1576129288).

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

1242113432 is a wasteful number, since it uses less digits than its factorization.

1242113432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304771 (or 1304767 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 1242113432 is about 35243.6296655154. The cubic root of 1242113432 is about 1074.9470843252.

Adding to 1242113432 its reverse (2343112421), we get a palindrome (3585225853).

The spelling of 1242113432 in words is "one billion, two hundred forty-two million, one hundred thirteen thousand, four hundred thirty-two".