1042740371 has 4 divisors (see below), whose sum is σ = 1055303592. Its totient is φ = 1030177152.

The previous prime is 1042740367. The next prime is 1042740403. The reversal of 1042740371 is 1730472401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1042740371 - 2² = 1042740367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042740071) 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 3 ways as a sum of consecutive naturals, for example, 6281486 + ... + 6281651.

It is an arithmetic number, because the mean of its divisors is an integer number (263825898).

Almost surely, 2^1042740371 is an apocalyptic number.

1042740371 is a deficient number, since it is larger than the sum of its proper divisors (12563221).

1042740371 is an equidigital number, since it uses as much as digits as its factorization.

1042740371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12563220.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 1042740371 is about 32291.4906902732. The cubic root of 1042740371 is about 1014.0485056165.

The spelling of 1042740371 in words is "one billion, forty-two million, seven hundred forty thousand, three hundred seventy-one".