120534431 has 4 divisors (see below), whose sum is σ = 121777152. Its totient is φ = 119291712.

The previous prime is 120534413. The next prime is 120534439. The reversal of 120534431 is 134435021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120534431 - 2²² = 116340127 is a prime.

It is a super-2 number, since 2×120534431² = 29057098112987522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120534397 and 120534406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120534439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621215 + ... + 621408.

It is an arithmetic number, because the mean of its divisors is an integer number (30444288).

Almost surely, 2^120534431 is an apocalyptic number.

120534431 is a deficient number, since it is larger than the sum of its proper divisors (1242721).

120534431 is an equidigital number, since it uses as much as digits as its factorization.

120534431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242720.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 120534431 is about 10978.8173771131. The cubic root of 120534431 is about 493.9735639609.

Adding to 120534431 its reverse (134435021), we get a palindrome (254969452).

The spelling of 120534431 in words is "one hundred twenty million, five hundred thirty-four thousand, four hundred thirty-one".