1002345111 has 28 divisors (see below), whose sum is σ = 1505952888. Its totient is φ = 666842544.

The previous prime is 1002345079. The next prime is 1002345121. The reversal of 1002345111 is 1115432001.

It is not a de Polignac number, because 1002345111 - 2⁵ = 1002345079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002345121) 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 27 ways as a sum of consecutive naturals, for example, 445756 + ... + 447998.

Almost surely, 2^1002345111 is an apocalyptic number.

1002345111 is a deficient number, since it is larger than the sum of its proper divisors (503607777).

1002345111 is an frugal number, since it uses more digits than its factorization.

1002345111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874 (or 2859 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1002345111 is about 31659.8343489033. The cubic root of 1002345111 is about 1000.7810934009.

Adding to 1002345111 its reverse (1115432001), we get a palindrome (2117777112).

The spelling of 1002345111 in words is "one billion, two million, three hundred forty-five thousand, one hundred eleven".