122667816 has 16 divisors (see below), whose sum is σ = 306669600. Its totient is φ = 40889264.

The previous prime is 122667799. The next prime is 122667817. The reversal of 122667816 is 618766221.

It is not an unprimeable number, because it can be changed into a prime (122667817) 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, 2555556 + ... + 2555603.

It is an arithmetic number, because the mean of its divisors is an integer number (19166850).

Almost surely, 2^122667816 is an apocalyptic number.

It is an amenable number.

122667816 is an abundant number, since it is smaller than the sum of its proper divisors (184001784).

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

122667816 is a wasteful number, since it uses less digits than its factorization.

122667816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5111168 (or 5111164 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 122667816 is about 11075.5503700719. The cubic root of 122667816 is about 496.8708793931.

The spelling of 122667816 in words is "one hundred twenty-two million, six hundred sixty-seven thousand, eight hundred sixteen".