1142352105 has 16 divisors (see below), whose sum is σ = 1923961920. Its totient is φ = 577188288.

The previous prime is 1142352103. The next prime is 1142352119. The reversal of 1142352105 is 5012532411.

It is a happy number.

It is not a de Polignac number, because 1142352105 - 2¹ = 1142352103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142352103) 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, 2003842 + ... + 2004411.

It is an arithmetic number, because the mean of its divisors is an integer number (120247620).

Almost surely, 2^1142352105 is an apocalyptic number.

1142352105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1142352105 is a deficient number, since it is larger than the sum of its proper divisors (781609815).

1142352105 is a wasteful number, since it uses less digits than its factorization.

1142352105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008280.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1142352105 is about 33798.6997530970. The cubic root of 1142352105 is about 1045.3618871320.

Adding to 1142352105 its reverse (5012532411), we get a palindrome (6154884516).

The spelling of 1142352105 in words is "one billion, one hundred forty-two million, three hundred fifty-two thousand, one hundred five".