1000122025 has 24 divisors (see below), whose sum is σ = 1455631040. Its totient is φ = 667258560.

The previous prime is 1000122017. The next prime is 1000122037. The reversal of 1000122025 is 5202210001.

It is not a de Polignac number, because 1000122025 - 2³ = 1000122017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000121996 and 1000122014.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 70755 + ... + 83704.

Almost surely, 2^1000122025 is an apocalyptic number.

It is an amenable number.

1000122025 is a deficient number, since it is larger than the sum of its proper divisors (455509015).

1000122025 is a wasteful number, since it uses less digits than its factorization.

1000122025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154513 (or 154508 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1000122025 is about 31624.7059274865. The cubic root of 1000122025 is about 1000.0406733457.

Adding to 1000122025 its reverse (5202210001), we get a palindrome (6202332026).

The spelling of 1000122025 in words is "one billion, one hundred twenty-two thousand, twenty-five".