1042291005 has 48 divisors (see below), whose sum is σ = 1967359104. Its totient is φ = 469741440.

The previous prime is 1042290989. The next prime is 1042291031. The reversal of 1042291005 is 5001922401.

It is not a de Polignac number, because 1042291005 - 2⁴ = 1042290989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42199 + ... + 62171.

It is an arithmetic number, because the mean of its divisors is an integer number (40986648).

Almost surely, 2^1042291005 is an apocalyptic number.

1042291005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1042291005 is a deficient number, since it is larger than the sum of its proper divisors (925068099).

1042291005 is a wasteful number, since it uses less digits than its factorization.

1042291005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20066 (or 20059 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1042291005 is about 32284.5319774037. The cubic root of 1042291005 is about 1013.9028175792.

The spelling of 1042291005 in words is "one billion, forty-two million, two hundred ninety-one thousand, five".