1142612043 has 16 divisors (see below), whose sum is σ = 1586558976. Its totient is φ = 730638720.

The previous prime is 1142612027. The next prime is 1142612071. The reversal of 1142612043 is 3402162411.

It is not a de Polignac number, because 1142612043 - 2⁴ = 1142612027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142612243) 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, 43855 + ... + 64872.

It is an arithmetic number, because the mean of its divisors is an integer number (99159936).

Almost surely, 2^1142612043 is an apocalyptic number.

1142612043 is a deficient number, since it is larger than the sum of its proper divisors (443946933).

1142612043 is a wasteful number, since it uses less digits than its factorization.

1142612043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108874.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1142612043 is about 33802.5449189850. The cubic root of 1142612043 is about 1045.4411705302.

Adding to 1142612043 its reverse (3402162411), we get a palindrome (4544774454).

The spelling of 1142612043 in words is "one billion, one hundred forty-two million, six hundred twelve thousand, forty-three".