122647000 has 96 divisors (see below), whose sum is σ = 333983520. Its totient is φ = 42033600.

The previous prime is 122646991. The next prime is 122647037. The reversal of 122647000 is 746221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47749 + ... + 50251.

It is an arithmetic number, because the mean of its divisors is an integer number (3478995).

Almost surely, 2^122647000 is an apocalyptic number.

122647000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122647000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166991760).

122647000 is an abundant number, since it is smaller than the sum of its proper divisors (211336520).

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

122647000 is a wasteful number, since it uses less digits than its factorization.

122647000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2538 (or 2517 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 122647000 is about 11074.6106026352. The cubic root of 122647000 is about 496.8427724572.

The spelling of 122647000 in words is "one hundred twenty-two million, six hundred forty-seven thousand".