1002423252 has 24 divisors (see below), whose sum is σ = 2339723232. Its totient is φ = 334036000.

The previous prime is 1002423221. The next prime is 1002423269. The reversal of 1002423252 is 2523242001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33127 + ... + 55697.

It is an arithmetic number, because the mean of its divisors is an integer number (97488468).

Almost surely, 2^1002423252 is an apocalyptic number.

1002423252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002423252 is an abundant number, since it is smaller than the sum of its proper divisors (1337299980).

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

1002423252 is a wasteful number, since it uses less digits than its factorization.

1002423252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26279 (or 26277 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1002423252 is about 31661.0683963760. The cubic root of 1002423252 is about 1000.8070990825.

Adding to 1002423252 its reverse (2523242001), we get a palindrome (3525665253).

The spelling of 1002423252 in words is "one billion, two million, four hundred twenty-three thousand, two hundred fifty-two".