120717743453 has 4 divisors (see below), whose sum is σ = 120761981340. Its totient is φ = 120673505568.

The previous prime is 120717743449. The next prime is 120717743459. The reversal of 120717743453 is 354347717021.

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 71895305689 + 48822437764 = 268133^2 + 220958^2 .

It is a cyclic number.

It is not a de Polignac number, because 120717743453 - 2² = 120717743449 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 (120717743459) 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, 22114850 + ... + 22120307.

It is an arithmetic number, because the mean of its divisors is an integer number (30190495335).

Almost surely, 2^120717743453 is an apocalyptic number.

It is an amenable number.

120717743453 is a deficient number, since it is larger than the sum of its proper divisors (44237887).

120717743453 is an equidigital number, since it uses as much as digits as its factorization.

120717743453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44237886.

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 120717743453 in words is "one hundred twenty billion, seven hundred seventeen million, seven hundred forty-three thousand, four hundred fifty-three".