120145141 has 4 divisors (see below), whose sum is σ = 121247500. Its totient is φ = 119042784.

The previous prime is 120145133. The next prime is 120145147. The reversal of 120145141 is 141541021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 101404900 + 18740241 = 10070^2 + 4329^2 .

It is a cyclic number.

It is not a de Polignac number, because 120145141 - 2³ = 120145133 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 (120145147) 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, 551016 + ... + 551233.

It is an arithmetic number, because the mean of its divisors is an integer number (30311875).

Almost surely, 2^120145141 is an apocalyptic number.

It is an amenable number.

120145141 is a deficient number, since it is larger than the sum of its proper divisors (1102359).

120145141 is a wasteful number, since it uses less digits than its factorization.

120145141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102358.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 120145141 is about 10961.0738981178. The cubic root of 120145141 is about 493.4411950159.

Adding to 120145141 its reverse (141541021), we get a palindrome (261686162).

The spelling of 120145141 in words is "one hundred twenty million, one hundred forty-five thousand, one hundred forty-one".