122078502 has 160 divisors (see below), whose sum is σ = 345576000. Its totient is φ = 32196528.

The previous prime is 122078501. The next prime is 122078519. The reversal of 122078502 is 205870221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122078501) 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 79 ways as a sum of consecutive naturals, for example, 9390648 + ... + 9390660.

It is an arithmetic number, because the mean of its divisors is an integer number (2159850).

Almost surely, 2^122078502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122078502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172788000).

122078502 is an abundant number, since it is smaller than the sum of its proper divisors (223497498).

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

122078502 is an frugal number, since it uses more digits than its factorization.

122078502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 25 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 122078502 is about 11048.9140642870. The cubic root of 122078502 is about 496.0739218432.

The spelling of 122078502 in words is "one hundred twenty-two million, seventy-eight thousand, five hundred two".