980001001 has 8 divisors (see below), whose sum is σ = 1135776384. Its totient is φ = 828169440.

The previous prime is 980000999. The next prime is 980001017. The reversal of 980001001 is 100100089.

980001001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 980001001 - 2¹ = 980000999 is a prime.

It is a super-2 number, since 2×980001001² = 1920803923922004002, which contains 22 as substring.

It is a Duffinian number.

980001001 is a modest number, since divided by 1001 gives 980 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 980001001.

It is not an unprimeable number, because it can be changed into a prime (980001041) 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, 985420 + ... + 986413.

It is an arithmetic number, because the mean of its divisors is an integer number (141972048).

Almost surely, 2^980001001 is an apocalyptic number.

It is an amenable number.

980001001 is a deficient number, since it is larger than the sum of its proper divisors (155775383).

980001001 is a wasteful number, since it uses less digits than its factorization.

980001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971911.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 980001001 is about 31304.9676728790. The cubic root of 980001001 is about 993.2887265702.

The spelling of 980001001 in words is "nine hundred eighty million, one thousand, one".