120963021 has 4 divisors (see below), whose sum is σ = 161284032. Its totient is φ = 80642012.

The previous prime is 120962993. The next prime is 120963043. The reversal of 120963021 is 120369021.

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.

It is a cyclic number.

It is not a de Polignac number, because 120963021 - 2¹⁹ = 120438733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120962982 and 120963000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120964021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20160501 + ... + 20160506.

It is an arithmetic number, because the mean of its divisors is an integer number (40321008).

Almost surely, 2^120963021 is an apocalyptic number.

It is an amenable number.

120963021 is a deficient number, since it is larger than the sum of its proper divisors (40321011).

120963021 is an equidigital number, since it uses as much as digits as its factorization.

120963021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40321010.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 120963021 is about 10998.3190079212. The cubic root of 120963021 is about 494.5583531395.

The spelling of 120963021 in words is "one hundred twenty million, nine hundred sixty-three thousand, twenty-one".