1123150 has 24 divisors (see below), whose sum is σ = 2388240. Its totient is φ = 384960.

The previous prime is 1123127. The next prime is 1123151. The reversal of 1123150 is 513211.

It is a super-2 number, since 2×1123150² = 2522931845000, which contains 22 as substring.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1123150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1255 + ... + 1954.

It is an arithmetic number, because the mean of its divisors is an integer number (99510).

2^1123150 is an apocalyptic number.

1123150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123150 is an abundant number, since it is smaller than the sum of its proper divisors (1265090).

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

1123150 is a wasteful number, since it uses less digits than its factorization.

1123150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3228 (or 3223 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1123150 is about 1059.7877145919. The cubic root of 1123150 is about 103.9471501695.

Adding to 1123150 its reverse (513211), we get a palindrome (1636361).

The spelling of 1123150 in words is "one million, one hundred twenty-three thousand, one hundred fifty".