1105445131 has 8 divisors (see below), whose sum is σ = 1275632384. Its totient is φ = 938324520.

The previous prime is 1105445093. The next prime is 1105445197. The reversal of 1105445131 is 1315445011.

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

It is not a de Polignac number, because 1105445131 - 2²¹ = 1103347979 is a prime.

It is a super-2 number, since 2×1105445131² = 2444017875303214322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1105445096 and 1105445105.

It is not an unprimeable number, because it can be changed into a prime (1105445531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765885 + ... + 767326.

It is an arithmetic number, because the mean of its divisors is an integer number (159454048).

Almost surely, 2^1105445131 is an apocalyptic number.

1105445131 is a deficient number, since it is larger than the sum of its proper divisors (170187253).

1105445131 is a wasteful number, since it uses less digits than its factorization.

1105445131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533321.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1105445131 is about 33248.2350057864. The cubic root of 1105445131 is about 1033.9806158111.

The spelling of 1105445131 in words is "one billion, one hundred five million, four hundred forty-five thousand, one hundred thirty-one".