122121123 has 8 divisors (see below), whose sum is σ = 164889600. Its totient is φ = 80383368.

The previous prime is 122121119. The next prime is 122121187. The reversal of 122121123 is 321121221.

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

It is not a de Polignac number, because 122121123 - 2² = 122121119 is a prime.

It is a super-2 number, since 2×122121123² = 29827137365562258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122121323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257403 + ... + 257876.

It is an arithmetic number, because the mean of its divisors is an integer number (20611200).

Almost surely, 2^122121123 is an apocalyptic number.

122121123 is a deficient number, since it is larger than the sum of its proper divisors (42768477).

122121123 is an equidigital number, since it uses as much as digits as its factorization.

122121123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515361.

The product of its digits is 48, while the sum is 15.

The square root of 122121123 is about 11050.8426375548. The cubic root of 122121123 is about 496.1316461932.

Adding to 122121123 its reverse (321121221), we get a palindrome (443242344).

The spelling of 122121123 in words is "one hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-three".