3125204101 has 4 divisors (see below), whose sum is σ = 3142470604. Its totient is φ = 3107937600.

The previous prime is 3125204087. The next prime is 3125204107. The reversal of 3125204101 is 1014025213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1014025213 = 613 ⋅1654201.

It can be written as a sum of positive squares in 2 ways, for example, as 195580225 + 2929623876 = 13985^2 + 54126^2 .

It is a cyclic number.

It is not a de Polignac number, because 3125204101 - 2⁷ = 3125203973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125204107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8632980 + ... + 8633341.

It is an arithmetic number, because the mean of its divisors is an integer number (785617651).

Almost surely, 2^3125204101 is an apocalyptic number.

It is an amenable number.

3125204101 is a deficient number, since it is larger than the sum of its proper divisors (17266503).

3125204101 is a wasteful number, since it uses less digits than its factorization.

3125204101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17266502.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 3125204101 is about 55903.5249425293. The cubic root of 3125204101 is about 1462.0406974772.

Adding to 3125204101 its reverse (1014025213), we get a palindrome (4139229314).

The spelling of 3125204101 in words is "three billion, one hundred twenty-five million, two hundred four thousand, one hundred one".