120989029 has 4 divisors (see below), whose sum is σ = 138273184. Its totient is φ = 103704876.

The previous prime is 120989023. The next prime is 120989083. The reversal of 120989029 is 920989021.

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 an emirpimes, since its reverse is a distinct semiprime: 920989021 = 281 ⋅3277541.

It is a cyclic number.

It is not a de Polignac number, because 120989029 - 2³ = 120989021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120988982 and 120989000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120989021) 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, 8642067 + ... + 8642080.

It is an arithmetic number, because the mean of its divisors is an integer number (34568296).

Almost surely, 2^120989029 is an apocalyptic number.

It is an amenable number.

120989029 is a deficient number, since it is larger than the sum of its proper divisors (17284155).

120989029 is an equidigital number, since it uses as much as digits as its factorization.

120989029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17284154.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 120989029 is about 10999.5013068775. The cubic root of 120989029 is about 494.5937952435.

The spelling of 120989029 in words is "one hundred twenty million, nine hundred eighty-nine thousand, twenty-nine".