120131003 has 4 divisors (see below), whose sum is σ = 120192240. Its totient is φ = 120069768.

The previous prime is 120130999. The next prime is 120131023. The reversal of 120131003 is 300131021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120131003 - 2² = 120130999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120131023) 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, 27575 + ... + 31632.

It is an arithmetic number, because the mean of its divisors is an integer number (30048060).

Almost surely, 2^120131003 is an apocalyptic number.

120131003 is a deficient number, since it is larger than the sum of its proper divisors (61237).

120131003 is an equidigital number, since it uses as much as digits as its factorization.

120131003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61236.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 120131003 is about 10960.4289605836. The cubic root of 120131003 is about 493.4218391346.

Adding to 120131003 its product of nonzero digits (18), we get a palindrome (120131021).

Adding to 120131003 its reverse (300131021), we get a palindrome (420262024).

The spelling of 120131003 in words is "one hundred twenty million, one hundred thirty-one thousand, three".