1054559969 has 4 divisors (see below), whose sum is σ = 1056264240. Its totient is φ = 1052855700.

The previous prime is 1054559951. The next prime is 1054560011. The reversal of 1054559969 is 9699554501.

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 a de Polignac number, because none of the positive numbers 2^k-1054559969 is a prime.

It is a super-2 number, since 2×1054559969² = 2224193456434561922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1054559969.

It is not an unprimeable number, because it can be changed into a prime (1054559669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851207 + ... + 852444.

It is an arithmetic number, because the mean of its divisors is an integer number (264066060).

Almost surely, 2^1054559969 is an apocalyptic number.

It is an amenable number.

1054559969 is a deficient number, since it is larger than the sum of its proper divisors (1704271).

1054559969 is an equidigital number, since it uses as much as digits as its factorization.

1054559969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704270.

The product of its (nonzero) digits is 2187000, while the sum is 53.

The square root of 1054559969 is about 32473.9891143666. The cubic root of 1054559969 is about 1017.8655767301.

The spelling of 1054559969 in words is "one billion, fifty-four million, five hundred fifty-nine thousand, nine hundred sixty-nine".