1012432043 has 16 divisors (see below), whose sum is σ = 1218846720. Its totient is φ = 821529216.

The previous prime is 1012432039. The next prime is 1012432051. The reversal of 1012432043 is 3402342101.

It is a cyclic number.

It is not a de Polignac number, because 1012432043 - 2² = 1012432039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012432013) 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, 355955 + ... + 358787.

It is an arithmetic number, because the mean of its divisors is an integer number (76177920).

Almost surely, 2^1012432043 is an apocalyptic number.

1012432043 is a deficient number, since it is larger than the sum of its proper divisors (206414677).

1012432043 is a wasteful number, since it uses less digits than its factorization.

1012432043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5546.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1012432043 is about 31818.7372942422. The cubic root of 1012432043 is about 1004.1269591120.

Adding to 1012432043 its reverse (3402342101), we get a palindrome (4414774144).

The spelling of 1012432043 in words is "one billion, twelve million, four hundred thirty-two thousand, forty-three".