1473727121 has 8 divisors (see below), whose sum is σ = 1499815464. Its totient is φ = 1447701120.

The previous prime is 1473727091. The next prime is 1473727147. The reversal of 1473727121 is 1217273741.

It can be written as a sum of positive squares in 4 ways, for example, as 145926400 + 1327800721 = 12080^2 + 36439^2 .

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 1473727121 - 2¹⁰ = 1473726097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1473727181) 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, 33461 + ... + 63773.

It is an arithmetic number, because the mean of its divisors is an integer number (187476933).

Almost surely, 2^1473727121 is an apocalyptic number.

It is an amenable number.

1473727121 is a deficient number, since it is larger than the sum of its proper divisors (26088343).

1473727121 is an equidigital number, since it uses as much as digits as its factorization.

1473727121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31171.

The product of its digits is 16464, while the sum is 35.

The square root of 1473727121 is about 38389.1536895514. The cubic root of 1473727121 is about 1137.9915186291.

The spelling of 1473727121 in words is "one billion, four hundred seventy-three million, seven hundred twenty-seven thousand, one hundred twenty-one".