1042112145 has 16 divisors (see below), whose sum is σ = 1668228480. Its totient is φ = 555510144.

The previous prime is 1042112143. The next prime is 1042112219. The reversal of 1042112145 is 5412112401.

It is not a de Polignac number, because 1042112145 - 2¹ = 1042112143 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1042112143) 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 15 ways as a sum of consecutive naturals, for example, 14661 + ... + 47949.

It is an arithmetic number, because the mean of its divisors is an integer number (104264280).

Almost surely, 2^1042112145 is an apocalyptic number.

1042112145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1042112145 is a deficient number, since it is larger than the sum of its proper divisors (626116335).

1042112145 is a wasteful number, since it uses less digits than its factorization.

1042112145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35384.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1042112145 is about 32281.7618013639. The cubic root of 1042112145 is about 1013.8448180918.

Adding to 1042112145 its reverse (5412112401), we get a palindrome (6454224546).

The spelling of 1042112145 in words is "one billion, forty-two million, one hundred twelve thousand, one hundred forty-five".