1923020122 has 4 divisors (see below), whose sum is σ = 2884530186. Its totient is φ = 961510060.

The previous prime is 1923020119. The next prime is 1923020137. The reversal of 1923020122 is 2210203291.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1634665761 + 288354361 = 40431^2 + 16981^2 .

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 1923020093 and 1923020102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480755029 + ... + 480755032.

Almost surely, 2^1923020122 is an apocalyptic number.

1923020122 is a deficient number, since it is larger than the sum of its proper divisors (961510064).

1923020122 is an equidigital number, since it uses as much as digits as its factorization.

1923020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961510063.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1923020122 is about 43852.2533286489. The cubic root of 1923020122 is about 1243.5443430168.

The spelling of 1923020122 in words is "one billion, nine hundred twenty-three million, twenty thousand, one hundred twenty-two".