1150100 has 72 divisors (see below), whose sum is σ = 2999808. Its totient is φ = 374400.

The previous prime is 1150081. The next prime is 1150103. The reversal of 1150100 is 10511.

1150100 = T₁₈₉ + T₁₉₀ + ... + T₂₃₈.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21674 + ... + 21726.

It is an arithmetic number, because the mean of its divisors is an integer number (41664).

2^1150100 is an apocalyptic number.

1150100 is a gapful number since it is divisible by the number (10) 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 1150100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1499904).

1150100 is an abundant number, since it is smaller than the sum of its proper divisors (1849708).

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

1150100 is a wasteful number, since it uses less digits than its factorization.

1150100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 8.

The square root of 1150100 is about 1072.4271537032. The cubic root of 1150100 is about 104.7719920105.

Adding to 1150100 its reverse (10511), we get a palindrome (1160611).

The spelling of 1150100 in words is "one million, one hundred fifty thousand, one hundred".