122152254 has 32 divisors (see below), whose sum is σ = 293902080. Its totient is φ = 33063552.

The previous prime is 122152253. The next prime is 122152271. The reversal of 122152254 is 452251221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122152253) 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 15 ways as a sum of consecutive naturals, for example, 75739 + ... + 77334.

It is an arithmetic number, because the mean of its divisors is an integer number (9184440).

Almost surely, 2^122152254 is an apocalyptic number.

122152254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

122152254 is an abundant number, since it is smaller than the sum of its proper divisors (171749826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122152254 is a wasteful number, since it uses less digits than its factorization.

122152254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153104.

The product of its digits is 1600, while the sum is 24.

The square root of 122152254 is about 11052.2510829242. The cubic root of 122152254 is about 496.1738004132.

The spelling of 122152254 in words is "one hundred twenty-two million, one hundred fifty-two thousand, two hundred fifty-four".