120543503 has 8 divisors (see below), whose sum is σ = 123023376. Its totient is φ = 118080000.

The previous prime is 120543497. The next prime is 120543509. The reversal of 120543503 is 305345021.

It is an interprime number because it is at equal distance from previous prime (120543497) and next prime (120543509).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120543503 - 2¹⁴ = 120527119 is a prime.

It is a super-2 number, since 2×120543503² = 29061472231022018, which contains 22 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 (120543509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11375 + ... + 19247.

It is an arithmetic number, because the mean of its divisors is an integer number (15377922).

Almost surely, 2^120543503 is an apocalyptic number.

120543503 is a deficient number, since it is larger than the sum of its proper divisors (2479873).

120543503 is an equidigital number, since it uses as much as digits as its factorization.

120543503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8185.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 120543503 is about 10979.2305285935. The cubic root of 120543503 is about 493.9859565907.

Adding to 120543503 its reverse (305345021), we get a palindrome (425888524).

The spelling of 120543503 in words is "one hundred twenty million, five hundred forty-three thousand, five hundred three".