120735613 has 4 divisors (see below), whose sum is σ = 124898940. Its totient is φ = 116572288.

The previous prime is 120735583. The next prime is 120735617. The reversal of 120735613 is 316537021.

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 100861849 + 19873764 = 10043^2 + 4458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120735613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120735617) 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, 2081620 + ... + 2081677.

It is an arithmetic number, because the mean of its divisors is an integer number (31224735).

Almost surely, 2^120735613 is an apocalyptic number.

It is an amenable number.

120735613 is a deficient number, since it is larger than the sum of its proper divisors (4163327).

120735613 is an equidigital number, since it uses as much as digits as its factorization.

120735613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4163326.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 120735613 is about 10987.9758372505. The cubic root of 120735613 is about 494.2482388665.

The spelling of 120735613 in words is "one hundred twenty million, seven hundred thirty-five thousand, six hundred thirteen".