1002123202 has 8 divisors (see below), whose sum is σ = 1568540736. Its totient is φ = 479276292.

The previous prime is 1002123197. The next prime is 1002123203. The reversal of 1002123202 is 2023212001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1002123203) 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, 10892598 + ... + 10892689.

It is an arithmetic number, because the mean of its divisors is an integer number (196067592).

Almost surely, 2^1002123202 is an apocalyptic number.

1002123202 is a deficient number, since it is larger than the sum of its proper divisors (566417534).

1002123202 is a wasteful number, since it uses less digits than its factorization.

1002123202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21785312.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1002123202 is about 31656.3295724568. The cubic root of 1002123202 is about 1000.7072337026.

Adding to 1002123202 its reverse (2023212001), we get a palindrome (3025335203).

The spelling of 1002123202 in words is "one billion, two million, one hundred twenty-three thousand, two hundred two".