1150000 has 60 divisors (see below), whose sum is σ = 2906064. Its totient is φ = 440000.

The previous prime is 1149991. The next prime is 1150027. The reversal of 1150000 is 511.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49989 + ... + 50011.

2^1150000 is an apocalyptic number.

1150000 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 1150000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1453032).

1150000 is an abundant number, since it is smaller than the sum of its proper divisors (1756064).

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

1150000 is an frugal number, since it uses more digits than its factorization.

1150000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 7.

The square root of 1150000 is about 1072.3805294764. The cubic root of 1150000 is about 104.7689553172.

Adding to 1150000 its reverse (511), we get a palindrome (1150511).

The spelling of 1150000 in words is "one million, one hundred fifty thousand".