120477221 has 4 divisors (see below), whose sum is σ = 120499200. Its totient is φ = 120455244.

The previous prime is 120477209. The next prime is 120477241. The reversal of 120477221 is 122774021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 122774021 = 269 ⋅456409.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120477221 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 (120477241) 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, 4700 + ... + 16218.

It is an arithmetic number, because the mean of its divisors is an integer number (30124800).

Almost surely, 2^120477221 is an apocalyptic number.

It is an amenable number.

120477221 is a deficient number, since it is larger than the sum of its proper divisors (21979).

120477221 is a wasteful number, since it uses less digits than its factorization.

120477221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21978.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 120477221 is about 10976.2115959925. The cubic root of 120477221 is about 493.8953990204.

The spelling of 120477221 in words is "one hundred twenty million, four hundred seventy-seven thousand, two hundred twenty-one".