120878543 has 2 divisors, whose sum is σ = 120878544. Its totient is φ = 120878542.

The previous prime is 120878479. The next prime is 120878557. The reversal of 120878543 is 345878021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120878543 - 2⁶ = 120878479 is a prime.

It is a super-2 number, since 2×120878543² = 29223244315605698, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 120878497 and 120878506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120878243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60439271 + 60439272.

It is an arithmetic number, because the mean of its divisors is an integer number (60439272).

Almost surely, 2^120878543 is an apocalyptic number.

120878543 is a deficient number, since it is larger than the sum of its proper divisors (1).

120878543 is an equidigital number, since it uses as much as digits as its factorization.

120878543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 120878543 is about 10994.4778411710. The cubic root of 120878543 is about 494.4431966508.

The spelling of 120878543 in words is "one hundred twenty million, eight hundred seventy-eight thousand, five hundred forty-three".