1000102122 has 24 divisors (see below), whose sum is σ = 2168449920. Its totient is φ = 333127080.

The previous prime is 1000102121. The next prime is 1000102133. The reversal of 1000102122 is 2212010001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1000102121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6597 + ... + 45207.

It is an arithmetic number, because the mean of its divisors is an integer number (90352080).

Almost surely, 2^1000102122 is an apocalyptic number.

1000102122 is an abundant number, since it is smaller than the sum of its proper divisors (1168347798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000102122 is a wasteful number, since it uses less digits than its factorization.

1000102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40058 (or 40055 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1000102122 is about 31624.3912510581. The cubic root of 1000102122 is about 1000.0340395080.

Adding to 1000102122 its reverse (2212010001), we get a palindrome (3212112123).

The spelling of 1000102122 in words is "one billion, one hundred two thousand, one hundred twenty-two".