854121458 has 4 divisors (see below), whose sum is σ = 1281182190. Its totient is φ = 427060728.

The previous prime is 854121403. The next prime is 854121487.

854121458 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 479040769 + 375080689 = 21887^2 + 19367^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213530363 + ... + 213530366.

Almost surely, 2^854121458 is an apocalyptic number.

854121458 is a deficient number, since it is larger than the sum of its proper divisors (427060732).

854121458 is a wasteful number, since it uses less digits than its factorization.

854121458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427060731.

The product of its digits is 51200, while the sum is 38.

The square root of 854121458 is about 29225.3564221208. The cubic root of 854121458 is about 948.7967991945.

The spelling of 854121458 in words is "eight hundred fifty-four million, one hundred twenty-one thousand, four hundred fifty-eight".