1000542125 has 16 divisors (see below), whose sum is σ = 1362194496. Its totient is φ = 727666000.

The previous prime is 1000542121. The next prime is 1000542133. The reversal of 1000542125 is 5212450001.

It is not a de Polignac number, because 1000542125 - 2² = 1000542121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000542097 and 1000542106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000542121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362459 + ... + 365208.

It is an arithmetic number, because the mean of its divisors is an integer number (85137156).

Almost surely, 2^1000542125 is an apocalyptic number.

It is an amenable number.

1000542125 is a deficient number, since it is larger than the sum of its proper divisors (361652371).

1000542125 is an equidigital number, since it uses as much as digits as its factorization.

1000542125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727693 (or 727683 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1000542125 is about 31631.3471891413. The cubic root of 1000542125 is about 1000.1806756877.

Adding to 1000542125 its reverse (5212450001), we get a palindrome (6212992126).

The spelling of 1000542125 in words is "one billion, five hundred forty-two thousand, one hundred twenty-five".