65120003 has 8 divisors (see below), whose sum is σ = 70602000. Its totient is φ = 59705568.

The previous prime is 65119997. The next prime is 65120009. The reversal of 65120003 is 30002156.

65120003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65119997) and next prime (65120009).

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

It is not a de Polignac number, because 65120003 - 2¹⁰ = 65118979 is a prime.

It is a super-2 number, since 2×65120003² = 8481229581440018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65120009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14873 + ... + 18746.

It is an arithmetic number, because the mean of its divisors is an integer number (8825250).

Almost surely, 2^65120003 is an apocalyptic number.

65120003 is a deficient number, since it is larger than the sum of its proper divisors (5481997).

65120003 is a wasteful number, since it uses less digits than its factorization.

65120003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33781.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 65120003 is about 8069.6965866134. The cubic root of 65120003 is about 402.3198592063.

Adding to 65120003 its reverse (30002156), we get a palindrome (95122159).

The spelling of 65120003 in words is "sixty-five million, one hundred twenty thousand, three".