109001250 has 60 divisors (see below), whose sum is σ = 295147710. Its totient is φ = 29064000.

The previous prime is 109001219. The next prime is 109001251. The reversal of 109001250 is 52100901.

It can be written as a sum of positive squares in 5 ways, for example, as 2064969 + 106936281 = 1437^2 + 10341^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (109001251) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 6406 + ... + 16094.

Almost surely, 2^109001250 is an apocalyptic number.

109001250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 109001250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147573855).

109001250 is an abundant number, since it is smaller than the sum of its proper divisors (186146460).

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

109001250 is an equidigital number, since it uses as much as digits as its factorization.

109001250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9717 (or 9699 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 109001250 is about 10440.3663728817. The cubic root of 109001250 is about 477.6874441119.

The spelling of 109001250 in words is "one hundred nine million, one thousand, two hundred fifty".