1105421051 has 8 divisors (see below), whose sum is σ = 1264412160. Its totient is φ = 946698408.

The previous prime is 1105421047. The next prime is 1105421071. The reversal of 1105421051 is 1501245011.

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

It is a cyclic number.

It is not a de Polignac number, because 1105421051 - 2² = 1105421047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105421071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58211 + ... + 74828.

It is an arithmetic number, because the mean of its divisors is an integer number (158051520).

Almost surely, 2^1105421051 is an apocalyptic number.

1105421051 is a deficient number, since it is larger than the sum of its proper divisors (158991109).

1105421051 is a wasteful number, since it uses less digits than its factorization.

1105421051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134233.

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

The square root of 1105421051 is about 33247.8728793287. The cubic root of 1105421051 is about 1033.9731079957.

Adding to 1105421051 its reverse (1501245011), we get a palindrome (2606666062).

The spelling of 1105421051 in words is "one billion, one hundred five million, four hundred twenty-one thousand, fifty-one".