1042112105 has 8 divisors (see below), whose sum is σ = 1271035464. Its totient is φ = 820022400.

The previous prime is 1042112101. The next prime is 1042112107. The reversal of 1042112105 is 5012112401.

It can be written as a sum of positive squares in 4 ways, for example, as 4048144 + 1038063961 = 2012^2 + 32219^2 .

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

It is not a de Polignac number, because 1042112105 - 2² = 1042112101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1042112101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1708076 + ... + 1708685.

It is an arithmetic number, because the mean of its divisors is an integer number (158879433).

Almost surely, 2^1042112105 is an apocalyptic number.

It is an amenable number.

1042112105 is a deficient number, since it is larger than the sum of its proper divisors (228923359).

1042112105 is an equidigital number, since it uses as much as digits as its factorization.

1042112105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416827.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1042112105 is about 32281.7611818191. The cubic root of 1042112105 is about 1013.8448051201.

Adding to 1042112105 its reverse (5012112401), we get a palindrome (6054224506).

The spelling of 1042112105 in words is "one billion, forty-two million, one hundred twelve thousand, one hundred five".