1112432521 has 2 divisors, whose sum is σ = 1112432522. Its totient is φ = 1112432520.

The previous prime is 1112432479. The next prime is 1112432537. The reversal of 1112432521 is 1252342111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 943718400 + 168714121 = 30720^2 + 12989^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112432521 - 2⁷ = 1112432393 is a prime.

It is a super-2 number, since 2×1112432521² = 2475012227556830882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1112432492 and 1112432501.

It is not a weakly prime, because it can be changed into another prime (1112432561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556216260 + 556216261.

It is an arithmetic number, because the mean of its divisors is an integer number (556216261).

Almost surely, 2^1112432521 is an apocalyptic number.

It is an amenable number.

1112432521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112432521 is an equidigital number, since it uses as much as digits as its factorization.

1112432521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 22.

The square root of 1112432521 is about 33353.1485919995. The cubic root of 1112432521 is about 1036.1545987664.

Adding to 1112432521 its reverse (1252342111), we get a palindrome (2364774632).

The spelling of 1112432521 in words is "one billion, one hundred twelve million, four hundred thirty-two thousand, five hundred twenty-one".