1105850421 has 16 divisors (see below), whose sum is σ = 1764320320. Its totient is φ = 680523120.

The previous prime is 1105850411. The next prime is 1105850429. The reversal of 1105850421 is 1240585011.

It is not a de Polignac number, because 1105850421 - 2¹⁰ = 1105849397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105850429) 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, 1574935 + ... + 1575636.

It is an arithmetic number, because the mean of its divisors is an integer number (110270020).

Almost surely, 2^1105850421 is an apocalyptic number.

It is an amenable number.

1105850421 is a deficient number, since it is larger than the sum of its proper divisors (658469899).

1105850421 is a wasteful number, since it uses less digits than its factorization.

1105850421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150593 (or 3150587 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 1105850421 is about 33254.3293572431. The cubic root of 1105850421 is about 1034.1069633456.

The spelling of 1105850421 in words is "one billion, one hundred five million, eight hundred fifty thousand, four hundred twenty-one".