122001025 has 12 divisors (see below), whose sum is σ = 155371132. Its totient is φ = 94962240.

The previous prime is 122001013. The next prime is 122001041. The reversal of 122001025 is 520100221.

It can be written as a sum of positive squares in 6 ways, for example, as 97344 + 121903681 = 312^2 + 11041^2 .

It is not a de Polignac number, because 122001025 - 2¹¹ = 121998977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122000996 and 122001014.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65022 + ... + 66871.

Almost surely, 2^122001025 is an apocalyptic number.

It is an amenable number.

122001025 is a deficient number, since it is larger than the sum of its proper divisors (33370107).

122001025 is a wasteful number, since it uses less digits than its factorization.

122001025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131940 (or 131935 counting only the distinct ones).

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

The square root of 122001025 is about 11045.4074166596. The cubic root of 122001025 is about 495.9689553605.

Adding to 122001025 its reverse (520100221), we get a palindrome (642101246).

It can be divided in two parts, 12200 and 1025, that added together give a square (13225 = 115²).

The spelling of 122001025 in words is "one hundred twenty-two million, one thousand, twenty-five".