120273021 has 48 divisors (see below), whose sum is σ = 204272640. Its totient is φ = 67404960.

The previous prime is 120273001. The next prime is 120273037. The reversal of 120273021 is 120372021.

It is not a de Polignac number, because 120273021 - 2¹³ = 120264829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120272985 and 120273003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120273001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80140 + ... + 81626.

It is an arithmetic number, because the mean of its divisors is an integer number (4255680).

Almost surely, 2^120273021 is an apocalyptic number.

120273021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120273021 is a deficient number, since it is larger than the sum of its proper divisors (83999619).

120273021 is a wasteful number, since it uses less digits than its factorization.

120273021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566 (or 1563 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 120273021 is about 10966.9057167462. The cubic root of 120273021 is about 493.6162024689.

The spelling of 120273021 in words is "one hundred twenty million, two hundred seventy-three thousand, twenty-one".