122025149 has 8 divisors (see below), whose sum is σ = 125966808. Its totient is φ = 118117440.

The previous prime is 122025139. The next prime is 122025161. The reversal of 122025149 is 941520221.

It can be written as a sum of positive squares in 4 ways, for example, as 110397049 + 11628100 = 10507^2 + 3410^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122025149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122025109) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1082 + ... + 15659.

It is an arithmetic number, because the mean of its divisors is an integer number (15745851).

Almost surely, 2^122025149 is an apocalyptic number.

It is an amenable number.

122025149 is a deficient number, since it is larger than the sum of its proper divisors (3941659).

122025149 is a wasteful number, since it uses less digits than its factorization.

122025149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16975.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 122025149 is about 11046.4994002625. The cubic root of 122025149 is about 496.0016435191.

The spelling of 122025149 in words is "one hundred twenty-two million, twenty-five thousand, one hundred forty-nine".