1002231152 has 40 divisors (see below), whose sum is σ = 2201265360. Its totient is φ = 438220800.

The previous prime is 1002231127. The next prime is 1002231161. The reversal of 1002231152 is 2511322001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002231152.

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, 122849 + ... + 130752.

It is an arithmetic number, because the mean of its divisors is an integer number (55031634).

Almost surely, 2^1002231152 is an apocalyptic number.

It is an amenable number.

1002231152 is an abundant number, since it is smaller than the sum of its proper divisors (1199034208).

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

1002231152 is a wasteful number, since it uses less digits than its factorization.

1002231152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253641 (or 253635 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1002231152 is about 31658.0345568072. The cubic root of 1002231152 is about 1000.7431649024.

Adding to 1002231152 its reverse (2511322001), we get a palindrome (3513553153).

The spelling of 1002231152 in words is "one billion, two million, two hundred thirty-one thousand, one hundred fifty-two".