4122731028 has 24 divisors (see below), whose sum is σ = 10359683488. Its totient is φ = 1268532576.

The previous prime is 4122731027. The next prime is 4122731029. The reversal of 4122731028 is 8201372214.

It is an interprime number because it is at equal distance from previous prime (4122731027) and next prime (4122731029).

It is a super-2 number, since 2×4122731028² = 33993822258467873568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4122730986 and 4122731004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122731027) 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, 13213726 + ... + 13214037.

Almost surely, 2^4122731028 is an apocalyptic number.

It is an amenable number.

4122731028 is an abundant number, since it is smaller than the sum of its proper divisors (6236952460).

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

4122731028 is a wasteful number, since it uses less digits than its factorization.

4122731028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26427783 (or 26427781 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 4122731028 is about 64208.4965405670. The cubic root of 4122731028 is about 1603.4730583156.

The spelling of 4122731028 in words is "four billion, one hundred twenty-two million, seven hundred thirty-one thousand, twenty-eight".