120452531 has 4 divisors (see below), whose sum is σ = 127537992. Its totient is φ = 113367072.

The previous prime is 120452509. The next prime is 120452537. The reversal of 120452531 is 135254021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135254021 = 7 ⋅19322003.

It is a cyclic number.

It is not a de Polignac number, because 120452531 - 2⁶ = 120452467 is a prime.

It is a super-2 number, since 2×120452531² = 29017624448611922, 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 = 120452497 and 120452506.

It is not an unprimeable number, because it can be changed into a prime (120452537) 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, 3542705 + ... + 3542738.

It is an arithmetic number, because the mean of its divisors is an integer number (31884498).

Almost surely, 2^120452531 is an apocalyptic number.

120452531 is a deficient number, since it is larger than the sum of its proper divisors (7085461).

120452531 is an equidigital number, since it uses as much as digits as its factorization.

120452531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7085460.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 120452531 is about 10975.0868333695. The cubic root of 120452531 is about 493.8616578966.

It can be divided in two parts, 1204 and 52531, that added together give a palindrome (53735).

The spelling of 120452531 in words is "one hundred twenty million, four hundred fifty-two thousand, five hundred thirty-one".