1161123 has 8 divisors (see below), whose sum is σ = 1554000. Its totient is φ = 771168.

The previous prime is 1161113. The next prime is 1161137. The reversal of 1161123 is 3211611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1161123 - 2⁴ = 1161107 is a prime.

It is a super-2 number, since 2×1161123² = 2696413242258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1161113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493 + ... + 1601.

It is an arithmetic number, because the mean of its divisors is an integer number (194250).

2^1161123 is an apocalyptic number.

1161123 is a deficient number, since it is larger than the sum of its proper divisors (392877).

1161123 is a wasteful number, since it uses less digits than its factorization.

1161123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461.

The product of its digits is 36, while the sum is 15.

The square root of 1161123 is about 1077.5541749722. The cubic root of 1161123 is about 105.1056532909.

Adding to 1161123 its reverse (3211611), we get a palindrome (4372734).

The spelling of 1161123 in words is "one million, one hundred sixty-one thousand, one hundred twenty-three".