120501403 has 8 divisors (see below), whose sum is σ = 132032880. Its totient is φ = 109066080.

The previous prime is 120501397. The next prime is 120501421. The reversal of 120501403 is 304105021.

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

It is a cyclic number.

It is not a de Polignac number, because 120501403 - 2¹⁷ = 120370331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120501103) 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, 21400 + ... + 26437.

It is an arithmetic number, because the mean of its divisors is an integer number (16504110).

Almost surely, 2^120501403 is an apocalyptic number.

120501403 is a deficient number, since it is larger than the sum of its proper divisors (11531477).

120501403 is a wasteful number, since it uses less digits than its factorization.

120501403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48077.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 120501403 is about 10977.3131047629. The cubic root of 120501403 is about 493.9284414480.

Adding to 120501403 its reverse (304105021), we get a palindrome (424606424).

The spelling of 120501403 in words is "one hundred twenty million, five hundred one thousand, four hundred three".