1089871050 has 24 divisors (see below), whose sum is σ = 2702880576. Its totient is φ = 290632240.

The previous prime is 1089871019. The next prime is 1089871051. The reversal of 1089871050 is 501789801.

It is not an unprimeable number, because it can be changed into a prime (1089871051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3632754 + ... + 3633053.

It is an arithmetic number, because the mean of its divisors is an integer number (112620024).

Almost surely, 2^1089871050 is an apocalyptic number.

1089871050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1089871050 is an abundant number, since it is smaller than the sum of its proper divisors (1613009526).

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

1089871050 is a wasteful number, since it uses less digits than its factorization.

1089871050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7265822 (or 7265817 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 39.

The square root of 1089871050 is about 33013.1950892367. The cubic root of 1089871050 is about 1029.1018815089.

The spelling of 1089871050 in words is "one billion, eighty-nine million, eight hundred seventy-one thousand, fifty".