113520427 has 2 divisors, whose sum is σ = 113520428. Its totient is φ = 113520426.

The previous prime is 113520401. The next prime is 113520437. The reversal of 113520427 is 724025311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113520427 - 2⁷ = 113520299 is a prime.

It is not a weakly prime, because it can be changed into another prime (113520437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56760213 + 56760214.

It is an arithmetic number, because the mean of its divisors is an integer number (56760214).

Almost surely, 2^113520427 is an apocalyptic number.

113520427 is a deficient number, since it is larger than the sum of its proper divisors (1).

113520427 is an equidigital number, since it uses as much as digits as its factorization.

113520427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 113520427 is about 10654.5965198125. The cubic root of 113520427 is about 484.1998739061.

Adding to 113520427 its reverse (724025311), we get a palindrome (837545738).

It can be divided in two parts, 1135 and 20427, that multiplied together give a triangular number (23184645 = T₆₈₀₉).

The spelling of 113520427 in words is "one hundred thirteen million, five hundred twenty thousand, four hundred twenty-seven".