1042246490 has 16 divisors (see below), whose sum is σ = 1877179752. Its totient is φ = 416646144.

The previous prime is 1042246487. The next prime is 1042246519. The reversal of 1042246490 is 946422401.

It can be written as a sum of positive squares in 4 ways, for example, as 972005329 + 70241161 = 31177^2 + 8381^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13739 + ... + 47678.

Almost surely, 2^1042246490 is an apocalyptic number.

1042246490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1042246490 is a deficient number, since it is larger than the sum of its proper divisors (834933262).

1042246490 is a wasteful number, since it uses less digits than its factorization.

1042246490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63121.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1042246490 is about 32283.8425532030. The cubic root of 1042246490 is about 1013.8883831822. Note that the first 3 decimals are identical.

Adding to 1042246490 its reverse (946422401), we get a palindrome (1988668891).

The spelling of 1042246490 in words is "one billion, forty-two million, two hundred forty-six thousand, four hundred ninety".