1054809503 has 8 divisors (see below), whose sum is σ = 1187821056. Its totient is φ = 927984600.

The previous prime is 1054809473. The next prime is 1054809527. The reversal of 1054809503 is 3059084501.

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 1054809503 - 2⁶ = 1054809439 is a prime.

It is a super-2 number, since 2×1054809503² = 2225246175238214018, 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 (1054809563) 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, 1546301 + ... + 1546982.

It is an arithmetic number, because the mean of its divisors is an integer number (148477632).

Almost surely, 2^1054809503 is an apocalyptic number.

1054809503 is a deficient number, since it is larger than the sum of its proper divisors (133011553).

1054809503 is a wasteful number, since it uses less digits than its factorization.

1054809503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093325.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 1054809503 is about 32477.8309466627. The cubic root of 1054809503 is about 1017.9458541430.

The spelling of 1054809503 in words is "one billion, fifty-four million, eight hundred nine thousand, five hundred three".