3121741025 has 48 divisors (see below), whose sum is σ = 4521929328. Its totient is φ = 2116608000.

The previous prime is 3121741003. The next prime is 3121741037. The reversal of 3121741025 is 5201471213.

It can be written as a sum of positive squares in 24 ways, for example, as 2755095121 + 366645904 = 52489^2 + 19148^2 .

It is not a de Polignac number, because 3121741025 - 2¹⁶ = 3121675489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3121740985 and 3121741003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 219635 + ... + 233415.

It is an arithmetic number, because the mean of its divisors is an integer number (94206861).

Almost surely, 2^3121741025 is an apocalyptic number.

It is an amenable number.

3121741025 is a deficient number, since it is larger than the sum of its proper divisors (1400188303).

3121741025 is a wasteful number, since it uses less digits than its factorization.

3121741025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13862 (or 13857 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 3121741025 is about 55872.5426752712. The cubic root of 3121741025 is about 1461.5004629602.

The spelling of 3121741025 in words is "three billion, one hundred twenty-one million, seven hundred forty-one thousand, twenty-five".