122000025 has 24 divisors (see below), whose sum is σ = 230522944. Its totient is φ = 55771200.

The previous prime is 122000003. The next prime is 122000029. The reversal of 122000025 is 520000221.

It is not a de Polignac number, because 122000025 - 2⁶ = 121999961 is a prime.

It is a super-2 number, since 2×122000025² = 29768012200001250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122000029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115666 + ... + 116715.

Almost surely, 2^122000025 is an apocalyptic number.

122000025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122000025 is a deficient number, since it is larger than the sum of its proper divisors (108522919).

122000025 is a wasteful number, since it uses less digits than its factorization.

122000025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232401 (or 232396 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 122000025 is about 11045.3621488840. The cubic root of 122000025 is about 495.9676002618.

Adding to 122000025 its reverse (520000221), we get a palindrome (642000246).

The spelling of 122000025 in words is "one hundred twenty-two million, twenty-five", and thus it is an aban number.