1053128997 has 12 divisors (see below), whose sum is σ = 1573641420. Its totient is φ = 677875968.

The previous prime is 1053128987. The next prime is 1053129029. The reversal of 1053128997 is 7998213501.

1053128997 is a `hidden beast` number, since 1 + 0 + 531 + 28 + 9 + 97 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 838623681 + 214505316 = 28959^2 + 14646^2 .

It is not a de Polignac number, because 1053128997 - 2¹⁶ = 1053063461 is a prime.

It is a super-2 number, since 2×1053128997² = 2218161368644452018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053128927) 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 11 ways as a sum of consecutive naturals, for example, 2017228 + ... + 2017749.

It is an arithmetic number, because the mean of its divisors is an integer number (131136785).

Almost surely, 2^1053128997 is an apocalyptic number.

It is an amenable number.

1053128997 is a deficient number, since it is larger than the sum of its proper divisors (520512423).

1053128997 is a wasteful number, since it uses less digits than its factorization.

1053128997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035012 (or 4035009 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 1053128997 is about 32451.9490477845. The cubic root of 1053128997 is about 1017.4049749973.

The spelling of 1053128997 in words is "one billion, fifty-three million, one hundred twenty-eight thousand, nine hundred ninety-seven".