1161375 has 32 divisors (see below), whose sum is σ = 2046720. Its totient is φ = 583200.

The previous prime is 1161371. The next prime is 1161397. The reversal of 1161375 is 5731611.

It is not a de Polignac number, because 1161375 - 2² = 1161371 is a prime.

1161375 is a lucky number.

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161371) 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, 7044 + ... + 7206.

It is an arithmetic number, because the mean of its divisors is an integer number (63960).

2^1161375 is an apocalyptic number.

1161375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1161375 is a deficient number, since it is larger than the sum of its proper divisors (885345).

1161375 is a wasteful number, since it uses less digits than its factorization.

1161375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 190 counting only the distinct ones).

The product of its digits is 630, while the sum is 24.

The square root of 1161375 is about 1077.6711001043. The cubic root of 1161375 is about 105.1132564787.

Adding to 1161375 its reverse (5731611), we get a palindrome (6892986).

The spelling of 1161375 in words is "one million, one hundred sixty-one thousand, three hundred seventy-five".