601112121 has 4 divisors (see below), whose sum is σ = 801482832. Its totient is φ = 400741412.

The previous prime is 601112077. The next prime is 601112123. The reversal of 601112121 is 121211106.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 601112121 - 2¹⁰ = 601111097 is a prime.

It is a super-2 number, since 2×601112121² = 722671564026237282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 601112121.

It is not an unprimeable number, because it can be changed into a prime (601112123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100185351 + ... + 100185356.

It is an arithmetic number, because the mean of its divisors is an integer number (200370708).

Almost surely, 2^601112121 is an apocalyptic number.

It is an amenable number.

601112121 is a deficient number, since it is larger than the sum of its proper divisors (200370711).

601112121 is a wasteful number, since it uses less digits than its factorization.

601112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200370710.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 601112121 is about 24517.5879931122. The cubic root of 601112121 is about 843.9534543224.

Adding to 601112121 its reverse (121211106), we get a palindrome (722323227).

The spelling of 601112121 in words is "six hundred one million, one hundred twelve thousand, one hundred twenty-one".