1001423252 has 6 divisors (see below), whose sum is σ = 1752490698. Its totient is φ = 500711624.

The previous prime is 1001423251. The next prime is 1001423257. The reversal of 1001423252 is 2523241001.

It can be written as a sum of positive squares in only one way, i.e., 1000836496 + 586756 = 31636^2 + 766^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001423251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125177903 + ... + 125177910.

It is an arithmetic number, because the mean of its divisors is an integer number (292081783).

Almost surely, 2^1001423252 is an apocalyptic number.

It is an amenable number.

1001423252 is a deficient number, since it is larger than the sum of its proper divisors (751067446).

1001423252 is a wasteful number, since it uses less digits than its factorization.

1001423252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250355817 (or 250355815 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1001423252 is about 31645.2721903288. The cubic root of 1001423252 is about 1000.4741924393.

Adding to 1001423252 its reverse (2523241001), we get a palindrome (3524664253).

The spelling of 1001423252 in words is "one billion, one million, four hundred twenty-three thousand, two hundred fifty-two".