1018124772 has 24 divisors (see below), whose sum is σ = 2714999616. Its totient is φ = 290892768.

The previous prime is 1018124771. The next prime is 1018124777. The reversal of 1018124772 is 2774218101.

It is not an unprimeable number, because it can be changed into a prime (1018124771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6060183 + ... + 6060350.

It is an arithmetic number, because the mean of its divisors is an integer number (113124984).

Almost surely, 2^1018124772 is an apocalyptic number.

1018124772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1018124772 is an abundant number, since it is smaller than the sum of its proper divisors (1696874844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1018124772 is a wasteful number, since it uses less digits than its factorization.

1018124772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12120547 (or 12120545 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 1018124772 is about 31908.0675065100. The cubic root of 1018124772 is about 1006.0054530044.

The spelling of 1018124772 in words is "one billion, eighteen million, one hundred twenty-four thousand, seven hundred seventy-two".