3125620122 has 32 divisors (see below), whose sum is σ = 6361759872. Its totient is φ = 1023565824.

The previous prime is 3125620097. The next prime is 3125620123. The reversal of 3125620122 is 2210265213.

It is a super-2 number, since 2×3125620122² = 19539002294102589768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3125620092 and 3125620101.

It is not an unprimeable number, because it can be changed into a prime (3125620123) 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 15 ways as a sum of consecutive naturals, for example, 98683 + ... + 126449.

It is an arithmetic number, because the mean of its divisors is an integer number (198804996).

Almost surely, 2^3125620122 is an apocalyptic number.

3125620122 is an abundant number, since it is smaller than the sum of its proper divisors (3236139750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3125620122 is a wasteful number, since it uses less digits than its factorization.

3125620122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28102.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 3125620122 is about 55907.2457021449. The cubic root of 3125620122 is about 1462.1055692558.

Adding to 3125620122 its reverse (2210265213), we get a palindrome (5335885335).

The spelling of 3125620122 in words is "three billion, one hundred twenty-five million, six hundred twenty thousand, one hundred twenty-two".