1042388043 has 8 divisors (see below), whose sum is σ = 1419422208. Its totient is φ = 680139624.

The previous prime is 1042388041. The next prime is 1042388071. The reversal of 1042388043 is 3408832401.

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

It is not a de Polignac number, because 1042388043 - 2¹ = 1042388041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042387995 and 1042388013.

It is not an unprimeable number, because it can be changed into a prime (1042388041) 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, 3696271 + ... + 3696552.

It is an arithmetic number, because the mean of its divisors is an integer number (177427776).

Almost surely, 2^1042388043 is an apocalyptic number.

1042388043 is a deficient number, since it is larger than the sum of its proper divisors (377034165).

1042388043 is an equidigital number, since it uses as much as digits as its factorization.

1042388043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7392873.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 1042388043 is about 32286.0347983459. The cubic root of 1042388043 is about 1013.9342816163.

The spelling of 1042388043 in words is "one billion, forty-two million, three hundred eighty-eight thousand, forty-three".