122189716 has 12 divisors (see below), whose sum is σ = 233271360. Its totient is φ = 55540760.

The previous prime is 122189713. The next prime is 122189737. The reversal of 122189716 is 617981221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122189713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388476 + ... + 1388563.

It is an arithmetic number, because the mean of its divisors is an integer number (19439280).

Almost surely, 2^122189716 is an apocalyptic number.

It is an amenable number.

122189716 is a deficient number, since it is larger than the sum of its proper divisors (111081644).

122189716 is a wasteful number, since it uses less digits than its factorization.

122189716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777054 (or 2777052 counting only the distinct ones).

The product of its digits is 12096, while the sum is 37.

The square root of 122189716 is about 11053.9457208727. The cubic root of 122189716 is about 496.2245178920.

The spelling of 122189716 in words is "one hundred twenty-two million, one hundred eighty-nine thousand, seven hundred sixteen".