120140453 has 4 divisors (see below), whose sum is σ = 122407308. Its totient is φ = 117873600.

The previous prime is 120140429. The next prime is 120140467. The reversal of 120140453 is 354041021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29833444 + 90307009 = 5462^2 + 9503^2 .

It is a cyclic number.

It is not a de Polignac number, because 120140453 - 2⁸ = 120140197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120140483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1133348 + ... + 1133453.

It is an arithmetic number, because the mean of its divisors is an integer number (30601827).

Almost surely, 2^120140453 is an apocalyptic number.

It is an amenable number.

120140453 is a deficient number, since it is larger than the sum of its proper divisors (2266855).

120140453 is an equidigital number, since it uses as much as digits as its factorization.

120140453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266854.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 120140453 is about 10960.8600483721. The cubic root of 120140453 is about 493.4347769941.

Adding to 120140453 its reverse (354041021), we get a palindrome (474181474).

The spelling of 120140453 in words is "one hundred twenty million, one hundred forty thousand, four hundred fifty-three".