120415453 has 4 divisors (see below), whose sum is σ = 124567740. Its totient is φ = 116263168.

The previous prime is 120415447. The next prime is 120415459. The reversal of 120415453 is 354514021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354514021 = 181 ⋅1958641.

It is an interprime number because it is at equal distance from previous prime (120415447) and next prime (120415459).

It can be written as a sum of positive squares in 2 ways, for example, as 36747844 + 83667609 = 6062^2 + 9147^2 .

It is a cyclic number.

It is not a de Polignac number, because 120415453 - 2⁹ = 120414941 is a prime.

It is a super-3 number, since 3×120415453³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120415459) 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, 2076100 + ... + 2076157.

It is an arithmetic number, because the mean of its divisors is an integer number (31141935).

Almost surely, 2^120415453 is an apocalyptic number.

It is an amenable number.

120415453 is a deficient number, since it is larger than the sum of its proper divisors (4152287).

120415453 is an equidigital number, since it uses as much as digits as its factorization.

120415453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4152286.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 120415453 is about 10973.3975139881. The cubic root of 120415453 is about 493.8109787850.

Adding to 120415453 its reverse (354514021), we get a palindrome (474929474).

The spelling of 120415453 in words is "one hundred twenty million, four hundred fifteen thousand, four hundred fifty-three".