120144653 has 4 divisors (see below), whose sum is σ = 120166620. Its totient is φ = 120122688.

The previous prime is 120144631. The next prime is 120144677. The reversal of 120144653 is 356441021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 356441021 = 2399 ⋅148579.

It can be written as a sum of positive squares in 2 ways, for example, as 104919049 + 15225604 = 10243^2 + 3902^2 .

It is a cyclic number.

It is not a de Polignac number, because 120144653 - 2⁶ = 120144589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120144053) 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, 4451 + ... + 16127.

It is an arithmetic number, because the mean of its divisors is an integer number (30041655).

Almost surely, 2^120144653 is an apocalyptic number.

It is an amenable number.

120144653 is a deficient number, since it is larger than the sum of its proper divisors (21967).

120144653 is a wasteful number, since it uses less digits than its factorization.

120144653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21966.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 120144653 is about 10961.0516375027. The cubic root of 120144653 is about 493.4405269361.

Adding to 120144653 its reverse (356441021), we get a palindrome (476585674).

It can be divided in two parts, 1201 and 44653, that added together give a palindrome (45854).

The spelling of 120144653 in words is "one hundred twenty million, one hundred forty-four thousand, six hundred fifty-three".