1105415121 has 16 divisors (see below), whose sum is σ = 1538832384. Its totient is φ = 704506704.

The previous prime is 1105415119. The next prime is 1105415131. The reversal of 1105415121 is 1215145011.

It is not a de Polignac number, because 1105415121 - 2¹ = 1105415119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1105415131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165570 + ... + 172116.

It is an arithmetic number, because the mean of its divisors is an integer number (96177024).

Almost surely, 2^1105415121 is an apocalyptic number.

It is an amenable number.

1105415121 is a deficient number, since it is larger than the sum of its proper divisors (433417263).

1105415121 is a wasteful number, since it uses less digits than its factorization.

1105415121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9020.

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 1105415121 is about 33247.7837005717. The cubic root of 1105415121 is about 1033.9712590859.

The spelling of 1105415121 in words is "one billion, one hundred five million, four hundred fifteen thousand, one hundred twenty-one".