3121026028 has 12 divisors (see below), whose sum is σ = 5468174712. Its totient is φ = 1558690400.

The previous prime is 3121026017. The next prime is 3121026047. The reversal of 3121026028 is 8206201213.

3121026028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3121025993 and 3121026011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451798 + ... + 458653.

It is an arithmetic number, because the mean of its divisors is an integer number (455681226).

Almost surely, 2^3121026028 is an apocalyptic number.

It is an amenable number.

3121026028 is a deficient number, since it is larger than the sum of its proper divisors (2347148684).

3121026028 is a wasteful number, since it uses less digits than its factorization.

3121026028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911312 (or 911310 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 3121026028 is about 55866.1438440134. The cubic root of 3121026028 is about 1461.3888747762.

The spelling of 3121026028 in words is "three billion, one hundred twenty-one million, twenty-six thousand, twenty-eight".