3128461294 has 16 divisors (see below), whose sum is σ = 5493884256. Its totient is φ = 1308067200.

The previous prime is 3128461291. The next prime is 3128461307. The reversal of 3128461294 is 4921648213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128461291) 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 7 ways as a sum of consecutive naturals, for example, 2724567 + ... + 2725714.

It is an arithmetic number, because the mean of its divisors is an integer number (343367766).

Almost surely, 2^3128461294 is an apocalyptic number.

3128461294 is a deficient number, since it is larger than the sum of its proper divisors (2365422962).

3128461294 is a wasteful number, since it uses less digits than its factorization.

3128461294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5450331.

The product of its digits is 82944, while the sum is 40.

The square root of 3128461294 is about 55932.6496243473. The cubic root of 3128461294 is about 1462.5484504756.

The spelling of 3128461294 in words is "three billion, one hundred twenty-eight million, four hundred sixty-one thousand, two hundred ninety-four".