122773620 has 48 divisors (see below), whose sum is σ = 344675520. Its totient is φ = 32653056.

The previous prime is 122773597. The next prime is 122773621. The reversal of 122773620 is 26377221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122773621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22039 + ... + 27041.

It is an arithmetic number, because the mean of its divisors is an integer number (7180740).

Almost surely, 2^122773620 is an apocalyptic number.

122773620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122773620 is an abundant number, since it is smaller than the sum of its proper divisors (221901900).

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

122773620 is a wasteful number, since it uses less digits than its factorization.

122773620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5424 (or 5422 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 122773620 is about 11080.3258074842. The cubic root of 122773620 is about 497.0136927810.

It can be divided in two parts, 1227 and 73620, that added together give a palindrome (74847).

The spelling of 122773620 in words is "one hundred twenty-two million, seven hundred seventy-three thousand, six hundred twenty".