1054889081 has 4 divisors (see below), whose sum is σ = 1067598672. Its totient is φ = 1042179492.

The previous prime is 1054889057. The next prime is 1054889107. The reversal of 1054889081 is 1809884501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1054889081 - 2¹⁴ = 1054872697 is a prime.

It is a super-3 number, since 3×1054889081³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054889881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6354671 + ... + 6354836.

It is an arithmetic number, because the mean of its divisors is an integer number (266899668).

Almost surely, 2^1054889081 is an apocalyptic number.

It is an amenable number.

1054889081 is a deficient number, since it is larger than the sum of its proper divisors (12709591).

1054889081 is an equidigital number, since it uses as much as digits as its factorization.

1054889081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12709590.

The product of its (nonzero) digits is 92160, while the sum is 44.

The square root of 1054889081 is about 32479.0560361597. The cubic root of 1054889081 is about 1017.9714524644.

The spelling of 1054889081 in words is "one billion, fifty-four million, eight hundred eighty-nine thousand, eighty-one".