1089401050 has 12 divisors (see below), whose sum is σ = 2026286046. Its totient is φ = 435760400.

The previous prime is 1089401041. The next prime is 1089401051. The reversal of 1089401050 is 501049801.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 419471361 + 669929689 = 20481^2 + 25883^2 .

It is a super-2 number, since 2×1089401050² = 2373589295482205000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1089401051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10893961 + ... + 10894060.

Almost surely, 2^1089401050 is an apocalyptic number.

1089401050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1089401050 is a deficient number, since it is larger than the sum of its proper divisors (936884996).

1089401050 is a wasteful number, since it uses less digits than its factorization.

1089401050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21788033 (or 21788028 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1089401050 is about 33006.0759557994. The cubic root of 1089401050 is about 1028.9539290123.

The spelling of 1089401050 in words is "one billion, eighty-nine million, four hundred one thousand, fifty".