1105122031 has 16 divisors (see below), whose sum is σ = 1224344800. Its totient is φ = 990880128.

The previous prime is 1105121993. The next prime is 1105122041. The reversal of 1105122031 is 1302215011.

It is not a de Polignac number, because 1105122031 - 2⁷ = 1105121903 is a prime.

It is a super-2 number, since 2×1105122031² = 2442589406803129922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1105121996 and 1105122014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105122041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353905 + ... + 357013.

It is an arithmetic number, because the mean of its divisors is an integer number (76521550).

Almost surely, 2^1105122031 is an apocalyptic number.

1105122031 is a deficient number, since it is larger than the sum of its proper divisors (119222769).

1105122031 is a wasteful number, since it uses less digits than its factorization.

1105122031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1105122031 is about 33243.3757461543. The cubic root of 1105122031 is about 1033.8798685552.

Adding to 1105122031 its reverse (1302215011), we get a palindrome (2407337042).

The spelling of 1105122031 in words is "one billion, one hundred five million, one hundred twenty-two thousand, thirty-one".