3200121525 has 12 divisors (see below), whose sum is σ = 5290867712. Its totient is φ = 1706731440.

The previous prime is 3200121511. The next prime is 3200121539. The reversal of 3200121525 is 5251210023.

It is an interprime number because it is at equal distance from previous prime (3200121511) and next prime (3200121539).

It is not a de Polignac number, because 3200121525 - 2⁹ = 3200121013 is a prime.

It is a super-3 number, since 3×3200121525³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21334069 + ... + 21334218.

Almost surely, 2^3200121525 is an apocalyptic number.

It is an amenable number.

3200121525 is a deficient number, since it is larger than the sum of its proper divisors (2090746187).

3200121525 is a wasteful number, since it uses less digits than its factorization.

3200121525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42668300 (or 42668295 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 3200121525 is about 56569.6166241208. The cubic root of 3200121525 is about 1473.6312534670.

Adding to 3200121525 its reverse (5251210023), we get a palindrome (8451331548).

The spelling of 3200121525 in words is "three billion, two hundred million, one hundred twenty-one thousand, five hundred twenty-five".