1848054121 has 3 divisors (see below), whose sum is σ = 1848097111. Its totient is φ = 1848011132.

The previous prime is 1848054113. The next prime is 1848054127. The reversal of 1848054121 is 1214508481.

It is a happy number.

The square root of 1848054121 is 42989.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1214508481 = 19 ⋅63921499.

It can be written as a sum of positive squares in only one way, i.e., 853282521 + 994771600 = 29211^2 + 31540^2 .

It is not a de Polignac number, because 1848054121 - 2³ = 1848054113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1848054127) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 21495 + ... + 64483.

Almost surely, 2^1848054121 is an apocalyptic number.

1848054121 is the 42989-th square number.

1848054121 is the 21495-th centered octagonal number.

It is an amenable number.

1848054121 is a deficient number, since it is larger than the sum of its proper divisors (42990).

1848054121 is an frugal number, since it uses more digits than its factorization.

1848054121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85978 (or 42989 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 34.

The cubic root of 1848054121 is about 1227.1704674411.

The spelling of 1848054121 in words is "one billion, eight hundred forty-eight million, fifty-four thousand, one hundred twenty-one".