120775577021 has 8 divisors (see below), whose sum is σ = 134968716288. Its totient is φ = 107118028000.

The previous prime is 120775577017. The next prime is 120775577029.

120775577021 is nontrivially palindromic in base 10.

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 120775577021 - 2² = 120775577017 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 (120775577029) 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, 133897085 + ... + 133897986.

It is an arithmetic number, because the mean of its divisors is an integer number (16871089536).

Almost surely, 2^120775577021 is an apocalyptic number.

120775577021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120775577021 is a deficient number, since it is larger than the sum of its proper divisors (14193139267).

120775577021 is a wasteful number, since it uses less digits than its factorization.

120775577021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267795123.

The product of its (nonzero) digits is 240100, while the sum is 44.

It can be divided in two parts, 120775 and 577021, that added together give a palindrome (697796).

The spelling of 120775577021 in words is "one hundred twenty billion, seven hundred seventy-five million, five hundred seventy-seven thousand, twenty-one".