1018854122 has 72 divisors (see below), whose sum is σ = 1874851524. Its totient is φ = 412473600.

The previous prime is 1018854121. The next prime is 1018854131. The reversal of 1018854122 is 2214588101.

It can be written as a sum of positive squares in 2 ways, for example, as 921061801 + 97792321 = 30349^2 + 9889^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018854121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3023138 + ... + 3023474.

Almost surely, 2^1018854122 is an apocalyptic number.

1018854122 is a deficient number, since it is larger than the sum of its proper divisors (855997402).

1018854122 is a wasteful number, since it uses less digits than its factorization.

1018854122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 1018854122 is about 31919.4943882261. The cubic root of 1018854122 is about 1006.2456183753.

The spelling of 1018854122 in words is "one billion, eighteen million, eight hundred fifty-four thousand, one hundred twenty-two".