200125731 has 16 divisors (see below), whose sum is σ = 288006656. Its totient is φ = 122877216.

The previous prime is 200125663. The next prime is 200125733. The reversal of 200125731 is 137521002.

It is not a de Polignac number, because 200125731 - 2¹⁰ = 200124707 is a prime.

It is a super-2 number, since 2×200125731² = 80100616416568722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200125698 and 200125707.

It is not an unprimeable number, because it can be changed into a prime (200125733) 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, 12516 + ... + 23598.

It is an arithmetic number, because the mean of its divisors is an integer number (18000416).

Almost surely, 2^200125731 is an apocalyptic number.

200125731 is a deficient number, since it is larger than the sum of its proper divisors (87880925).

200125731 is a wasteful number, since it uses less digits than its factorization.

200125731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11562.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 200125731 is about 14146.5801874517. The cubic root of 200125731 is about 584.9260685298.

Adding to 200125731 its reverse (137521002), we get a palindrome (337646733).

The spelling of 200125731 in words is "two hundred million, one hundred twenty-five thousand, seven hundred thirty-one".