1048854181 has 4 divisors (see below), whose sum is σ = 1053474912. Its totient is φ = 1044233452.

The previous prime is 1048854179. The next prime is 1048854221. The reversal of 1048854181 is 1814588401.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1814588401 = 53 ⋅34237517.

It is a cyclic number.

It is not a de Polignac number, because 1048854181 - 2¹ = 1048854179 is a prime.

It is a super-2 number, since 2×1048854181² = 2200190186002361522, 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 (1048854101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2310025 + ... + 2310478.

It is an arithmetic number, because the mean of its divisors is an integer number (263368728).

Almost surely, 2^1048854181 is an apocalyptic number.

It is an amenable number.

1048854181 is a deficient number, since it is larger than the sum of its proper divisors (4620731).

1048854181 is an equidigital number, since it uses as much as digits as its factorization.

1048854181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620730.

The product of its (nonzero) digits is 40960, while the sum is 40.

The square root of 1048854181 is about 32386.0182949371. The cubic root of 1048854181 is about 1016.0265059761.

The spelling of 1048854181 in words is "one billion, forty-eight million, eight hundred fifty-four thousand, one hundred eighty-one".