1001088140 has 24 divisors (see below), whose sum is σ = 2263999920. Its totient is φ = 369632448.

The previous prime is 1001088113. The next prime is 1001088157. The reversal of 1001088140 is 418801001.

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, 1924910 + ... + 1925429.

It is an arithmetic number, because the mean of its divisors is an integer number (94333330).

Almost surely, 2^1001088140 is an apocalyptic number.

1001088140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001088140 is an abundant number, since it is smaller than the sum of its proper divisors (1262911780).

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

1001088140 is a wasteful number, since it uses less digits than its factorization.

1001088140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850361 (or 3850359 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 1001088140 is about 31639.9769279309. The cubic root of 1001088140 is about 1000.3625818518.

Adding to 1001088140 its reverse (418801001), we get a palindrome (1419889141).

The spelling of 1001088140 in words is "one billion, one million, eighty-eight thousand, one hundred forty".