1105421245 has 8 divisors (see below), whose sum is σ = 1326735360. Its totient is φ = 884183760.

The previous prime is 1105421231. The next prime is 1105421267. The reversal of 1105421245 is 5421245011.

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

It is not a de Polignac number, because 1105421245 - 2⁷ = 1105421117 is a prime.

It is a super-2 number, since 2×1105421245² = 2443912257794700050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 19780 + ... + 51010.

It is an arithmetic number, because the mean of its divisors is an integer number (165841920).

Almost surely, 2^1105421245 is an apocalyptic number.

It is an amenable number.

1105421245 is a deficient number, since it is larger than the sum of its proper divisors (221314115).

1105421245 is an equidigital number, since it uses as much as digits as its factorization.

1105421245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38315.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1105421245 is about 33247.8757968084. The cubic root of 1105421245 is about 1033.9731684827.

Adding to 1105421245 its reverse (5421245011), we get a palindrome (6526666256).

The spelling of 1105421245 in words is "one billion, one hundred five million, four hundred twenty-one thousand, two hundred forty-five".