15120453 has 16 divisors (see below), whose sum is σ = 21127680. Its totient is φ = 9600624.

The previous prime is 15120451. The next prime is 15120473. The reversal of 15120453 is 35402151.

15120453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15120453 - 2¹ = 15120451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15120451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28650 + ... + 29172.

It is an arithmetic number, because the mean of its divisors is an integer number (1320480).

Almost surely, 2^15120453 is an apocalyptic number.

It is an amenable number.

15120453 is a deficient number, since it is larger than the sum of its proper divisors (6007227).

15120453 is a wasteful number, since it uses less digits than its factorization.

15120453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 15120453 is about 3888.5026681230. The cubic root of 15120453 is about 247.2795874642.

The spelling of 15120453 in words is "fifteen million, one hundred twenty thousand, four hundred fifty-three".