1002122252 has 6 divisors (see below), whose sum is σ = 1753713948. Its totient is φ = 501061124.

The previous prime is 1002122249. The next prime is 1002122279. The reversal of 1002122252 is 2522212001.

It is a self number, because there is not a number n which added to its sum of digits gives 1002122252.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125265278 + ... + 125265285.

It is an arithmetic number, because the mean of its divisors is an integer number (292285658).

Almost surely, 2^1002122252 is an apocalyptic number.

It is an amenable number.

1002122252 is a deficient number, since it is larger than the sum of its proper divisors (751591696).

1002122252 is a wasteful number, since it uses less digits than its factorization.

1002122252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250530567 (or 250530565 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1002122252 is about 31656.3145675551. The cubic root of 1002122252 is about 1000.7069174832.

Adding to 1002122252 its reverse (2522212001), we get a palindrome (3524334253).

The spelling of 1002122252 in words is "one billion, two million, one hundred twenty-two thousand, two hundred fifty-two".