1105125212 has 12 divisors (see below), whose sum is σ = 1935220560. Its totient is φ = 552205056.

The previous prime is 1105125181. The next prime is 1105125221. The reversal of 1105125212 is 2125215011.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 82373 + ... + 94844.

It is an arithmetic number, because the mean of its divisors is an integer number (161268380).

Almost surely, 2^1105125212 is an apocalyptic number.

It is an amenable number.

1105125212 is a deficient number, since it is larger than the sum of its proper divisors (830095348).

1105125212 is a wasteful number, since it uses less digits than its factorization.

1105125212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178780 (or 178778 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1105125212 is about 33243.4235902381. The cubic root of 1105125212 is about 1033.8808605327.

It can be divided in two parts, 11051 and 25212, that added together give a palindrome (36263).

The spelling of 1105125212 in words is "one billion, one hundred five million, one hundred twenty-five thousand, two hundred twelve".