120073453562261 has 4 divisors (see below), whose sum is σ = 120085416654252. Its totient is φ = 120061490470272.

The previous prime is 120073453562197. The next prime is 120073453562269. The reversal of 120073453562261 is 162265354370021.

It is a happy number.

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 69366094334161 + 50707359228100 = 8328631^2 + 7120910^2 .

It is a cyclic number.

It is not a de Polignac number, because 120073453562261 - 2⁶ = 120073453562197 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 (120073453562269) 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, 5981530940 + ... + 5981551013.

It is an arithmetic number, because the mean of its divisors is an integer number (30021354163563).

Almost surely, 2^{120073453562261} is an apocalyptic number.

It is an amenable number.

120073453562261 is a deficient number, since it is larger than the sum of its proper divisors (11963091991).

120073453562261 is a wasteful number, since it uses less digits than its factorization.

120073453562261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11963091990.

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 120073453562261 in words is "one hundred twenty trillion, seventy-three billion, four hundred fifty-three million, five hundred sixty-two thousand, two hundred sixty-one".