1121202105 has 16 divisors (see below), whose sum is σ = 1899448704. Its totient is φ = 562799360.

The previous prime is 1121202073. The next prime is 1121202151. The reversal of 1121202105 is 5012021211.

1121202105 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1121202105 - 2⁵ = 1121202073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2198181 + ... + 2198690.

It is an arithmetic number, because the mean of its divisors is an integer number (118715544).

Almost surely, 2^1121202105 is an apocalyptic number.

1121202105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1121202105 is a deficient number, since it is larger than the sum of its proper divisors (778246599).

1121202105 is a wasteful number, since it uses less digits than its factorization.

1121202105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396896.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1121202105 is about 33484.3561234198. The cubic root of 1121202105 is about 1038.8702305657.

Adding to 1121202105 its reverse (5012021211), we get a palindrome (6133223316).

The spelling of 1121202105 in words is "one billion, one hundred twenty-one million, two hundred two thousand, one hundred five".