120780141 has 4 divisors (see below), whose sum is σ = 161040192. Its totient is φ = 80520092.

The previous prime is 120780119. The next prime is 120780151. The reversal of 120780141 is 141087021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141087021 = 3 ⋅47029007.

It is a cyclic number.

It is not a de Polignac number, because 120780141 - 2¹¹ = 120778093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120780151) 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 in 3 ways as a sum of consecutive naturals, for example, 20130021 + ... + 20130026.

It is an arithmetic number, because the mean of its divisors is an integer number (40260048).

Almost surely, 2^120780141 is an apocalyptic number.

It is an amenable number.

120780141 is a deficient number, since it is larger than the sum of its proper divisors (40260051).

120780141 is an equidigital number, since it uses as much as digits as its factorization.

120780141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40260050.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 120780141 is about 10990.0018653320. The cubic root of 120780141 is about 494.3089919452.

The spelling of 120780141 in words is "one hundred twenty million, seven hundred eighty thousand, one hundred forty-one".