101780003 has 8 divisors (see below), whose sum is σ = 116057088. Its totient is φ = 88424064.

The previous prime is 101779973. The next prime is 101780009. The reversal of 101780003 is 300087101.

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 101780003 - 2¹² = 101775907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101780009) 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, 230051 + ... + 230492.

It is an arithmetic number, because the mean of its divisors is an integer number (14507136).

Almost surely, 2^101780003 is an apocalyptic number.

101780003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

101780003 is a deficient number, since it is larger than the sum of its proper divisors (14277085).

101780003 is a wasteful number, since it uses less digits than its factorization.

101780003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460573.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 101780003 is about 10088.6075847958. The cubic root of 101780003 is about 466.8967165637.

The spelling of 101780003 in words is "one hundred one million, seven hundred eighty thousand, three".