123121941 has 8 divisors (see below), whose sum is σ = 164217984. Its totient is φ = 82053600.

The previous prime is 123121937. The next prime is 123121949. The reversal of 123121941 is 149121321.

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

It is not a de Polignac number, because 123121941 - 2² = 123121937 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123121949) 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, 8116 + ... + 17666.

It is an arithmetic number, because the mean of its divisors is an integer number (20527248).

Almost surely, 2^123121941 is an apocalyptic number.

It is an amenable number.

123121941 is a deficient number, since it is larger than the sum of its proper divisors (41096043).

123121941 is an equidigital number, since it uses as much as digits as its factorization.

123121941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13851.

The product of its digits is 432, while the sum is 24.

The square root of 123121941 is about 11096.0326693823. The cubic root of 123121941 is about 497.4832747759.

The spelling of 123121941 in words is "one hundred twenty-three million, one hundred twenty-one thousand, nine hundred forty-one".