1012243043 has 8 divisors (see below), whose sum is σ = 1163242080. Its totient is φ = 862842240.

The previous prime is 1012243009. The next prime is 1012243049. The reversal of 1012243043 is 3403422101.

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

It is a cyclic number.

It is not a de Polignac number, because 1012243043 - 2⁸ = 1012242787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012243049) 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, 398198 + ... + 400731.

It is an arithmetic number, because the mean of its divisors is an integer number (145405260).

Almost surely, 2^1012243043 is an apocalyptic number.

1012243043 is a deficient number, since it is larger than the sum of its proper divisors (150999037).

1012243043 is an equidigital number, since it uses as much as digits as its factorization.

1012243043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799117.

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

The square root of 1012243043 is about 31815.7672074712. The cubic root of 1012243043 is about 1004.0644720189.

Adding to 1012243043 its reverse (3403422101), we get a palindrome (4415665144).

The spelling of 1012243043 in words is "one billion, twelve million, two hundred forty-three thousand, forty-three".