122501189 has 8 divisors (see below), whose sum is σ = 129073440. Its totient is φ = 115941456.

The previous prime is 122501177. The next prime is 122501209. The reversal of 122501189 is 981105221.

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

It is a cyclic number.

It is not a de Polignac number, because 122501189 - 2⁴ = 122501173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122501149) 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 7 ways as a sum of consecutive naturals, for example, 22367 + ... + 27299.

It is an arithmetic number, because the mean of its divisors is an integer number (16134180).

Almost surely, 2^122501189 is an apocalyptic number.

122501189 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

122501189 is a deficient number, since it is larger than the sum of its proper divisors (6572251).

122501189 is a wasteful number, since it uses less digits than its factorization.

122501189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6259.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 122501189 is about 11068.0255240038. The cubic root of 122501189 is about 496.6458010142.

The spelling of 122501189 in words is "one hundred twenty-two million, five hundred one thousand, one hundred eighty-nine".