99971003 has 8 divisors (see below), whose sum is σ = 112007280.
Its totient is φ = 88426080.
The previous prime is 99970993. The next prime is 99971017. The reversal of 99971003 is 30017999.
It is a happy number.
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 99971003 - 220 = 98922427 is a prime.
It is not an unprimeable number, because it can be changed into a prime (99971023) 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, 122408 + ... + 123221.
It is an arithmetic number, because the mean of its divisors is an integer number (14000910).
Almost surely, 299971003 is an apocalyptic number.
99971003 is a deficient number, since it is larger than the sum of its proper divisors (12036277).
99971003 is a wasteful number, since it uses less digits than its factorization.
99971003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 245677.
The product of its (nonzero) digits is 15309, while the sum is 38.
The square root of 99971003 is about 9998.5500448815.
The cubic root of 99971003 is about 464.1140149737.
The spelling of 99971003 in words is "ninety-nine million, nine hundred seventy-one thousand, three".