120540653 has 8 divisors (see below), whose sum is σ = 124320768. Its totient is φ = 116805024.

The previous prime is 120540647. The next prime is 120540781. The reversal of 120540653 is 356045021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120540653 - 2⁸ = 120540397 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 (120540613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5576 + ... + 16497.

It is an arithmetic number, because the mean of its divisors is an integer number (15540096).

Almost surely, 2^120540653 is an apocalyptic number.

It is an amenable number.

120540653 is a deficient number, since it is larger than the sum of its proper divisors (3780115).

120540653 is a wasteful number, since it uses less digits than its factorization.

120540653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22243.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 120540653 is about 10979.1007373100. The cubic root of 120540653 is about 493.9820634704.

Adding to 120540653 its reverse (356045021), we get a palindrome (476585674).

The spelling of 120540653 in words is "one hundred twenty million, five hundred forty thousand, six hundred fifty-three".