122140025 has 48 divisors (see below), whose sum is σ = 183738240. Its totient is φ = 78758400.

The previous prime is 122140009. The next prime is 122140033. The reversal of 122140025 is 520041221.

It is not a de Polignac number, because 122140025 - 2⁴ = 122140009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122139985 and 122140012.

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 47 ways as a sum of consecutive naturals, for example, 207782 + ... + 208368.

It is an arithmetic number, because the mean of its divisors is an integer number (3827880).

Almost surely, 2^122140025 is an apocalyptic number.

It is an amenable number.

122140025 is a deficient number, since it is larger than the sum of its proper divisors (61598215).

122140025 is a wasteful number, since it uses less digits than its factorization.

122140025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 122140025 is about 11051.6978333648. The cubic root of 122140025 is about 496.1572420834.

Adding to 122140025 its reverse (520041221), we get a palindrome (642181246).

The spelling of 122140025 in words is "one hundred twenty-two million, one hundred forty thousand, twenty-five".