120545513 has 4 divisors (see below), whose sum is σ = 131504208. Its totient is φ = 109586820.

The previous prime is 120545501. The next prime is 120545527. The reversal of 120545513 is 315545021.

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: 315545021 = 11 ⋅28685911.

It is a cyclic number.

It is not a de Polignac number, because 120545513 - 2²⁴ = 103768297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120545533) 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, 5479331 + ... + 5479352.

It is an arithmetic number, because the mean of its divisors is an integer number (32876052).

Almost surely, 2^120545513 is an apocalyptic number.

It is an amenable number.

120545513 is a deficient number, since it is larger than the sum of its proper divisors (10958695).

120545513 is a wasteful number, since it uses less digits than its factorization.

120545513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10958694.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 120545513 is about 10979.3220646814. The cubic root of 120545513 is about 493.9887022281.

The spelling of 120545513 in words is "one hundred twenty million, five hundred forty-five thousand, five hundred thirteen".