1112432381 has 2 divisors, whose sum is σ = 1112432382. Its totient is φ = 1112432380.

The previous prime is 1112432353. The next prime is 1112432389. The reversal of 1112432381 is 1832342111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1010604100 + 101828281 = 31790^2 + 10091^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112432381 - 2¹⁰ = 1112431357 is a prime.

It is a super-2 number, since 2×1112432381² = 2475011604594658322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1112432381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112432389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556216190 + 556216191.

It is an arithmetic number, because the mean of its divisors is an integer number (556216191).

Almost surely, 2^1112432381 is an apocalyptic number.

It is an amenable number.

1112432381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112432381 is an equidigital number, since it uses as much as digits as its factorization.

1112432381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 26.

The square root of 1112432381 is about 33353.1464932471. The cubic root of 1112432381 is about 1036.1545552996.

Adding to 1112432381 its reverse (1832342111), we get a palindrome (2944774492).

The spelling of 1112432381 in words is "one billion, one hundred twelve million, four hundred thirty-two thousand, three hundred eighty-one".