122500152 has 24 divisors (see below), whose sum is σ = 331771440. Its totient is φ = 40833360.

The previous prime is 122500129. The next prime is 122500159. The reversal of 122500152 is 251005221.

122500152 is a `hidden beast` number, since 12 + 2 + 500 + 152 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122500159) 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 5 ways as a sum of consecutive naturals, for example, 850624 + ... + 850767.

It is an arithmetic number, because the mean of its divisors is an integer number (13823810).

Almost surely, 2^122500152 is an apocalyptic number.

122500152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122500152 is an abundant number, since it is smaller than the sum of its proper divisors (209271288).

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

122500152 is a wasteful number, since it uses less digits than its factorization.

122500152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701403 (or 1701396 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 122500152 is about 11067.9786772473. The cubic root of 122500152 is about 496.6443996043.

Adding to 122500152 its reverse (251005221), we get a palindrome (373505373).

The spelling of 122500152 in words is "one hundred twenty-two million, five hundred thousand, one hundred fifty-two".