1002210989 has 8 divisors (see below), whose sum is σ = 1087070880. Its totient is φ = 918460656.

The previous prime is 1002210983. The next prime is 1002211003. The reversal of 1002210989 is 9890122001.

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 1002210989 - 2¹² = 1002206893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002210983) 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, 275507 + ... + 279120.

It is an arithmetic number, because the mean of its divisors is an integer number (135883860).

Almost surely, 2^1002210989 is an apocalyptic number.

It is an amenable number.

1002210989 is a deficient number, since it is larger than the sum of its proper divisors (84859891).

1002210989 is a wasteful number, since it uses less digits than its factorization.

1002210989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554779.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1002210989 is about 31657.7161052404. The cubic root of 1002210989 is about 1000.7364538359.

The spelling of 1002210989 in words is "one billion, two million, two hundred ten thousand, nine hundred eighty-nine".