101440003 has 8 divisors (see below), whose sum is σ = 122751072. Its totient is φ = 81833856.

The previous prime is 101439983. The next prime is 101440013. The reversal of 101440003 is 300044101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101440003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101440013) 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, 426100 + ... + 426337.

It is an arithmetic number, because the mean of its divisors is an integer number (15343884).

Almost surely, 2^101440003 is an apocalyptic number.

101440003 is a deficient number, since it is larger than the sum of its proper divisors (21311069).

101440003 is an equidigital number, since it uses as much as digits as its factorization.

101440003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852461.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 101440003 is about 10071.7427985429. The cubic root of 101440003 is about 466.3762411193.

Adding to 101440003 its reverse (300044101), we get a palindrome (401484104).

The spelling of 101440003 in words is "one hundred one million, four hundred forty thousand, three".