120715543 has 4 divisors (see below), whose sum is σ = 130001368. Its totient is φ = 111429720.

The previous prime is 120715541. The next prime is 120715547. The reversal of 120715543 is 345517021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 120715543 - 2¹ = 120715541 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 (120715541) 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, 4642893 + ... + 4642918.

It is an arithmetic number, because the mean of its divisors is an integer number (32500342).

Almost surely, 2^120715543 is an apocalyptic number.

120715543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120715543 is a deficient number, since it is larger than the sum of its proper divisors (9285825).

120715543 is an equidigital number, since it uses as much as digits as its factorization.

120715543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9285824.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 120715543 is about 10987.0625282648. The cubic root of 120715543 is about 494.2208508915.

The spelling of 120715543 in words is "one hundred twenty million, seven hundred fifteen thousand, five hundred forty-three".