1048271989 has 8 divisors (see below), whose sum is σ = 1107029952. Its totient is φ = 990612480.

The previous prime is 1048271951. The next prime is 1048271999. The reversal of 1048271989 is 9891728401.

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 1048271989 - 2¹¹ = 1048269941 is a prime.

It is a super-2 number, since 2×1048271989² = 2197748325844032242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048271909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272652 + ... + 276469.

It is an arithmetic number, because the mean of its divisors is an integer number (138378744).

Almost surely, 2^1048271989 is an apocalyptic number.

It is an amenable number.

1048271989 is a deficient number, since it is larger than the sum of its proper divisors (58757963).

1048271989 is an equidigital number, since it uses as much as digits as its factorization.

1048271989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549227.

The product of its (nonzero) digits is 290304, while the sum is 49.

The square root of 1048271989 is about 32377.0287240815. The cubic root of 1048271989 is about 1015.8384811154.

The spelling of 1048271989 in words is "one billion, forty-eight million, two hundred seventy-one thousand, nine hundred eighty-nine".