1042091658 has 24 divisors (see below), whose sum is σ = 2258566596. Its totient is φ = 347256000.

The previous prime is 1042091657. The next prime is 1042091663. The reversal of 1042091658 is 8561902401.

1042091658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 984892689 + 57198969 = 31383^2 + 7563^2 .

It is not an unprimeable number, because it can be changed into a prime (1042091657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68728 + ... + 82508.

Almost surely, 2^1042091658 is an apocalyptic number.

1042091658 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1042091658 is an abundant number, since it is smaller than the sum of its proper divisors (1216474938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1042091658 is a wasteful number, since it uses less digits than its factorization.

1042091658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17990 (or 17987 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1042091658 is about 32281.4444844093. Note that the first 4 decimals coincide. The cubic root of 1042091658 is about 1013.8381742851.

The spelling of 1042091658 in words is "one billion, forty-two million, ninety-one thousand, six hundred fifty-eight".