120454403 has 4 divisors (see below), whose sum is σ = 120509760. Its totient is φ = 120399048.

The previous prime is 120454393. The next prime is 120454423. The reversal of 120454403 is 304454021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304454021 = 769 ⋅395909.

It is a cyclic number.

It is not a de Polignac number, because 120454403 - 2²⁰ = 119405827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120454423) 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, 24275 + ... + 28812.

It is an arithmetic number, because the mean of its divisors is an integer number (30127440).

Almost surely, 2^120454403 is an apocalyptic number.

120454403 is a deficient number, since it is larger than the sum of its proper divisors (55357).

120454403 is an equidigital number, since it uses as much as digits as its factorization.

120454403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55356.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 120454403 is about 10975.1721171014. The cubic root of 120454403 is about 493.8642163158.

The spelling of 120454403 in words is "one hundred twenty million, four hundred fifty-four thousand, four hundred three".