1004132988 has 54 divisors (see below), whose sum is σ = 2653431144. Its totient is φ = 320152272.

The previous prime is 1004132981. The next prime is 1004132989. The reversal of 1004132988 is 8892314001.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004132981) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7320 + ... + 45407.

Almost surely, 2^1004132988 is an apocalyptic number.

1004132988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1004132988 is an abundant number, since it is smaller than the sum of its proper divisors (1649298156).

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

1004132988 is a wasteful number, since it uses less digits than its factorization.

1004132988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52783 (or 52755 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1004132988 is about 31688.0574980544. The cubic root of 1004132988 is about 1001.3757690582.

Adding to 1004132988 its reverse (8892314001), we get a palindrome (9896446989).

The spelling of 1004132988 in words is "one billion, four million, one hundred thirty-two thousand, nine hundred eighty-eight".