601121131 has 16 divisors (see below), whose sum is σ = 664463520. Its totient is φ = 540276480.

The previous prime is 601121111. The next prime is 601121137. The reversal of 601121131 is 131121106.

601121131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-601121131 is a prime.

It is a super-2 number, since 2×601121131² = 722693228269438322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601121137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411280 + ... + 412738.

It is an arithmetic number, because the mean of its divisors is an integer number (41528970).

Almost surely, 2^601121131 is an apocalyptic number.

601121131 is a deficient number, since it is larger than the sum of its proper divisors (63342389).

601121131 is a wasteful number, since it uses less digits than its factorization.

601121131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 601121131 is about 24517.7717380679. The cubic root of 601121131 is about 843.9576709415.

Adding to 601121131 its reverse (131121106), we get a palindrome (732242237).

The spelling of 601121131 in words is "six hundred one million, one hundred twenty-one thousand, one hundred thirty-one".