1090954872 has 128 divisors (see below), whose sum is σ = 3667161600. Its totient is φ = 293359104.

The previous prime is 1090954871. The next prime is 1090954919. The reversal of 1090954872 is 2784590901.

1090954872 is a `hidden beast` number, since 10 + 90 + 9 + 548 + 7 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090954871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4483 + ... + 46925.

It is an arithmetic number, because the mean of its divisors is an integer number (28649700).

Almost surely, 2^1090954872 is an apocalyptic number.

1090954872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1090954872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1833580800).

1090954872 is an abundant number, since it is smaller than the sum of its proper divisors (2576206728).

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

1090954872 is a wasteful number, since it uses less digits than its factorization.

1090954872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42482 (or 42472 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 1090954872 is about 33029.6059922004. The cubic root of 1090954872 is about 1029.4428985309.

The spelling of 1090954872 in words is "one billion, ninety million, nine hundred fifty-four thousand, eight hundred seventy-two".