601531123121 has 8 divisors (see below), whose sum is σ = 636965207424. Its totient is φ = 566102583360.

The previous prime is 601531123117. The next prime is 601531123163. The reversal of 601531123121 is 121321135106.

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

It is a cyclic number.

It is not a de Polignac number, because 601531123121 - 2² = 601531123117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601531125121) 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, 1161725 + ... + 1597706.

It is an arithmetic number, because the mean of its divisors is an integer number (79620650928).

Almost surely, 2^601531123121 is an apocalyptic number.

It is an amenable number.

601531123121 is a deficient number, since it is larger than the sum of its proper divisors (35434084303).

601531123121 is a wasteful number, since it uses less digits than its factorization.

601531123121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772271.

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 601531123121 its reverse (121321135106), we get a palindrome (722852258227).

The spelling of 601531123121 in words is "six hundred one billion, five hundred thirty-one million, one hundred twenty-three thousand, one hundred twenty-one".