1002122102 has 4 divisors (see below), whose sum is σ = 1503183156. Its totient is φ = 501061050.

The previous prime is 1002122087. The next prime is 1002122119. The reversal of 1002122102 is 2012212001.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250530524 + ... + 250530527.

It is an arithmetic number, because the mean of its divisors is an integer number (375795789).

Almost surely, 2^1002122102 is an apocalyptic number.

1002122102 is a deficient number, since it is larger than the sum of its proper divisors (501061054).

1002122102 is an equidigital number, since it uses as much as digits as its factorization.

1002122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501061053.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1002122102 is about 31656.3121983594. The cubic root of 1002122102 is about 1000.7068675539.

Adding to 1002122102 its reverse (2012212001), we get a palindrome (3014334103).

It can be divided in two parts, 10021 and 22102, that added together give a palindrome (32123).

The spelling of 1002122102 in words is "one billion, two million, one hundred twenty-two thousand, one hundred two".