120989003 has 4 divisors (see below), whose sum is σ = 122348520. Its totient is φ = 119629488.

The previous prime is 120988997. The next prime is 120989021. The reversal of 120989003 is 300989021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300989021 = 2617 ⋅115013.

It is a cyclic number.

It is not a de Polignac number, because 120989003 - 2¹⁴ = 120972619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120989023) 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, 679625 + ... + 679802.

It is an arithmetic number, because the mean of its divisors is an integer number (30587130).

Almost surely, 2^120989003 is an apocalyptic number.

120989003 is a deficient number, since it is larger than the sum of its proper divisors (1359517).

120989003 is an equidigital number, since it uses as much as digits as its factorization.

120989003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359516.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 120989003 is about 10999.5001250057. The cubic root of 120989003 is about 494.5937598148.

The spelling of 120989003 in words is "one hundred twenty million, nine hundred eighty-nine thousand, three".