1123101 has 12 divisors (see below), whose sum is σ = 1854112. Its totient is φ = 641736.

The previous prime is 1123093. The next prime is 1123127. The reversal of 1123101 is 1013211.

It is not a de Polignac number, because 1123101 - 2³ = 1123093 is a prime.

It is a super-2 number, since 2×1123101² = 2522711712402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

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, 8851 + ... + 8976.

2^1123101 is an apocalyptic number.

It is an amenable number.

1123101 is a deficient number, since it is larger than the sum of its proper divisors (731011).

1123101 is a wasteful number, since it uses less digits than its factorization.

1123101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17840 (or 17837 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1123101 is about 1059.7645965024. The cubic root of 1123101 is about 103.9456385030.

Adding to 1123101 its reverse (1013211), we get a palindrome (2136312).

The spelling of 1123101 in words is "one million, one hundred twenty-three thousand, one hundred one".