3128104 has 32 divisors (see below), whose sum is σ = 6793920. Its totient is φ = 1322496.

The previous prime is 3128101. The next prime is 3128107. The reversal of 3128104 is 4018213.

3128104 = T₂₃₂ + T₂₃₃ + ... + T₃₁₄.

It is an interprime number because it is at equal distance from previous prime (3128101) and next prime (3128107).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4312 + ... + 4984.

It is an arithmetic number, because the mean of its divisors is an integer number (212310).

Almost surely, 2^3128104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3128104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3396960).

3128104 is an abundant number, since it is smaller than the sum of its proper divisors (3665816).

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

3128104 is a wasteful number, since it uses less digits than its factorization.

3128104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 3128104 is about 1768.6446788431. The cubic root of 3128104 is about 146.2492770315.

The spelling of 3128104 in words is "three million, one hundred twenty-eight thousand, one hundred four".