2061250121 has 12 divisors (see below), whose sum is σ = 2398615632. Its totient is φ = 1766170728.

The previous prime is 2061250099. The next prime is 2061250123. The reversal of 2061250121 is 1210521602.

It is not a de Polignac number, because 2061250121 - 2³⁰ = 987508297 is a prime.

It is a super-2 number, since 2×2061250121² = 8497504122645029282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2061250093 and 2061250102.

It is not an unprimeable number, because it can be changed into a prime (2061250123) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 186866 + ... + 197588.

It is an arithmetic number, because the mean of its divisors is an integer number (199884636).

Almost surely, 2^2061250121 is an apocalyptic number.

It is an amenable number.

2061250121 is a deficient number, since it is larger than the sum of its proper divisors (337365511).

2061250121 is a wasteful number, since it uses less digits than its factorization.

2061250121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14660 (or 14653 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2061250121 is about 45400.9925111776. The cubic root of 2061250121 is about 1272.6536616441.

Adding to 2061250121 its reverse (1210521602), we get a palindrome (3271771723).

The spelling of 2061250121 in words is "two billion, sixty-one million, two hundred fifty thousand, one hundred twenty-one".