3128472501 has 32 divisors (see below), whose sum is σ = 5206975488. Its totient is φ = 1623181440.

The previous prime is 3128472449. The next prime is 3128472517. The reversal of 3128472501 is 1052748213.

It is not a de Polignac number, because 3128472501 - 2¹¹ = 3128470453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128472541) 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 31 ways as a sum of consecutive naturals, for example, 190066 + ... + 205868.

It is an arithmetic number, because the mean of its divisors is an integer number (162717984).

Almost surely, 2^3128472501 is an apocalyptic number.

It is an amenable number.

3128472501 is a deficient number, since it is larger than the sum of its proper divisors (2078502987).

3128472501 is a wasteful number, since it uses less digits than its factorization.

3128472501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16681.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 3128472501 is about 55932.7498072462. The cubic root of 3128472501 is about 1462.5501968891.

The spelling of 3128472501 in words is "three billion, one hundred twenty-eight million, four hundred seventy-two thousand, five hundred one".