1053128981 has 8 divisors (see below), whose sum is σ = 1069759680. Its totient is φ = 1036525248.

The previous prime is 1053128977. The next prime is 1053128987. The reversal of 1053128981 is 1898213501.

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 1053128981 - 2² = 1053128977 is a prime.

It is a super-2 number, since 2×1053128981² = 2218161301244196722, 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 (1053128987) 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 7 ways as a sum of consecutive naturals, for example, 80840 + ... + 92958.

It is an arithmetic number, because the mean of its divisors is an integer number (133719960).

Almost surely, 2^1053128981 is an apocalyptic number.

It is an amenable number.

1053128981 is a deficient number, since it is larger than the sum of its proper divisors (16630699).

1053128981 is a wasteful number, since it uses less digits than its factorization.

1053128981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13483.

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 1053128981 is about 32451.9488012662. The cubic root of 1053128981 is about 1017.4049698449.

The spelling of 1053128981 in words is "one billion, fifty-three million, one hundred twenty-eight thousand, nine hundred eighty-one".