123735801122 has 8 divisors (see below), whose sum is σ = 185718773916. Its totient is φ = 61829543152.

The previous prime is 123735801113. The next prime is 123735801131. The reversal of 123735801122 is 221108537321.

It is a Cunningham number, because it is equal to 351761²+1.

It is an interprime number because it is at equal distance from previous prime (123735801113) and next prime (123735801131).

It can be written as a sum of positive squares in 2 ways, for example, as 123735801121 + 1 = 351761^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19174673 + ... + 19181124.

Almost surely, 2^123735801122 is an apocalyptic number.

123735801122 is a deficient number, since it is larger than the sum of its proper divisors (61982972794).

123735801122 is a wasteful number, since it uses less digits than its factorization.

123735801122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38357412.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 123735801122 in words is "one hundred twenty-three billion, seven hundred thirty-five million, eight hundred one thousand, one hundred twenty-two".