122748102 has 48 divisors (see below), whose sum is σ = 285215280. Its totient is φ = 39127968.

The previous prime is 122748091. The next prime is 122748103. The reversal of 122748102 is 201847221.

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 (122748103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26418 + ... + 30714.

It is an arithmetic number, because the mean of its divisors is an integer number (5941985).

Almost surely, 2^122748102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122748102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142607640).

122748102 is an abundant number, since it is smaller than the sum of its proper divisors (162467178).

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

122748102 is a wasteful number, since it uses less digits than its factorization.

122748102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4354 (or 4325 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 122748102 is about 11079.1742472081. The cubic root of 122748102 is about 496.9792563003.

The spelling of 122748102 in words is "one hundred twenty-two million, seven hundred forty-eight thousand, one hundred two".