1002651248 has 40 divisors (see below), whose sum is σ = 1976123520. Its totient is φ = 492719040.

The previous prime is 1002651241. The next prime is 1002651263. The reversal of 1002651248 is 8421562001.

It is a self number, because there is not a number n which added to its sum of digits gives 1002651248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002651241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662813 + ... + 664323.

It is an arithmetic number, because the mean of its divisors is an integer number (49403088).

Almost surely, 2^1002651248 is an apocalyptic number.

It is an amenable number.

1002651248 is a deficient number, since it is larger than the sum of its proper divisors (973472272).

1002651248 is a wasteful number, since it uses less digits than its factorization.

1002651248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205 (or 2199 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1002651248 is about 31664.6687650447. The cubic root of 1002651248 is about 1000.8829694688.

The spelling of 1002651248 in words is "one billion, two million, six hundred fifty-one thousand, two hundred forty-eight".