120527513 has 4 divisors (see below), whose sum is σ = 121633380. Its totient is φ = 119421648.

The previous prime is 120527503. The next prime is 120527549. The reversal of 120527513 is 315725021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 315725021 = 823 ⋅383627.

It can be written as a sum of positive squares in 2 ways, for example, as 108326464 + 12201049 = 10408^2 + 3493^2 .

It is a cyclic number.

It is not a de Polignac number, because 120527513 - 2⁴ = 120527497 is a prime.

It is a super-4 number, since 4×120527513⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120527503) 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, 552770 + ... + 552987.

It is an arithmetic number, because the mean of its divisors is an integer number (30408345).

Almost surely, 2^120527513 is an apocalyptic number.

It is an amenable number.

120527513 is a deficient number, since it is larger than the sum of its proper divisors (1105867).

120527513 is a wasteful number, since it uses less digits than its factorization.

120527513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105866.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 120527513 is about 10978.5023113355. The cubic root of 120527513 is about 493.9641133432.

The spelling of 120527513 in words is "one hundred twenty million, five hundred twenty-seven thousand, five hundred thirteen".