1048081437 has 20 divisors (see below), whose sum is σ = 1686089020. Its totient is φ = 644972544.

The previous prime is 1048081429. The next prime is 1048081471. The reversal of 1048081437 is 7341808401.

It can be written as a sum of positive squares in 2 ways, for example, as 360278361 + 687803076 = 18981^2 + 26226^2 .

It is not a de Polignac number, because 1048081437 - 2³ = 1048081429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048081537) 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 19 ways as a sum of consecutive naturals, for example, 496612 + ... + 498717.

It is an arithmetic number, because the mean of its divisors is an integer number (84304451).

Almost surely, 2^1048081437 is an apocalyptic number.

It is an amenable number.

1048081437 is a deficient number, since it is larger than the sum of its proper divisors (638007583).

1048081437 is an equidigital number, since it uses as much as digits as its factorization.

1048081437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995354 (or 995345 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 1048081437 is about 32374.0858867088. The cubic root of 1048081437 is about 1015.7769252768.

Adding to 1048081437 its reverse (7341808401), we get a palindrome (8389889838).

The spelling of 1048081437 in words is "one billion, forty-eight million, eighty-one thousand, four hundred thirty-seven".