1002120107 has 4 divisors (see below), whose sum is σ = 1008756816. Its totient is φ = 995483400.

The previous prime is 1002120103. The next prime is 1002120109. The reversal of 1002120107 is 7010212001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002120107 - 2² = 1002120103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002120091 and 1002120100.

It is not an unprimeable number, because it can be changed into a prime (1002120101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3318128 + ... + 3318429.

It is an arithmetic number, because the mean of its divisors is an integer number (252189204).

Almost surely, 2^1002120107 is an apocalyptic number.

1002120107 is a deficient number, since it is larger than the sum of its proper divisors (6636709).

1002120107 is an equidigital number, since it uses as much as digits as its factorization.

1002120107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6636708.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 1002120107 is about 31656.2806880404. The cubic root of 1002120107 is about 1000.7062034926.

Adding to 1002120107 its reverse (7010212001), we get a palindrome (8012332108).

The spelling of 1002120107 in words is "one billion, two million, one hundred twenty thousand, one hundred seven".