120774021 has 8 divisors (see below), whose sum is σ = 162692544. Its totient is φ = 79685760.

The previous prime is 120774011. The next prime is 120774023. The reversal of 120774021 is 120477021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120774021 - 2¹⁹ = 120249733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120773982 and 120774000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120774023) 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, 207225 + ... + 207806.

It is an arithmetic number, because the mean of its divisors is an integer number (20336568).

Almost surely, 2^120774021 is an apocalyptic number.

It is an amenable number.

120774021 is a deficient number, since it is larger than the sum of its proper divisors (41918523).

120774021 is an equidigital number, since it uses as much as digits as its factorization.

120774021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415131.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 120774021 is about 10989.7234269112. The cubic root of 120774021 is about 494.3006428295.

The spelling of 120774021 in words is "one hundred twenty million, seven hundred seventy-four thousand, twenty-one".