1048887521 has 8 divisors (see below), whose sum is σ = 1146540000. Its totient is φ = 951618240.

The previous prime is 1048887491. The next prime is 1048887569. The reversal of 1048887521 is 1257888401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1048887521 - 2¹⁰ = 1048886497 is a prime.

It is a super-2 number, since 2×1048887521² = 2200330063419050882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1048884521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90056 + ... + 101033.

It is an arithmetic number, because the mean of its divisors is an integer number (143317500).

Almost surely, 2^1048887521 is an apocalyptic number.

1048887521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1048887521 is a deficient number, since it is larger than the sum of its proper divisors (97652479).

1048887521 is a wasteful number, since it uses less digits than its factorization.

1048887521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191599.

The product of its (nonzero) digits is 143360, while the sum is 44.

The square root of 1048887521 is about 32386.5330191424. The cubic root of 1048887521 is about 1016.0372713635.

The spelling of 1048887521 in words is "one billion, forty-eight million, eight hundred eighty-seven thousand, five hundred twenty-one".