6460137121 has 16 divisors (see below), whose sum is σ = 7135666560. Its totient is φ = 5827409280.

The previous prime is 6460137113. The next prime is 6460137127. The reversal of 6460137121 is 1217310646.

It is a cyclic number.

It is not a de Polignac number, because 6460137121 - 2³ = 6460137113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6460137127) 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, 83940 + ... + 141301.

It is an arithmetic number, because the mean of its divisors is an integer number (445979160).

Almost surely, 2^6460137121 is an apocalyptic number.

It is an amenable number.

6460137121 is a deficient number, since it is larger than the sum of its proper divisors (675529439).

6460137121 is a wasteful number, since it uses less digits than its factorization.

6460137121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225336.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 6460137121 is about 80374.9782021743. The cubic root of 6460137121 is about 1862.4326593733.

Adding to 6460137121 its reverse (1217310646), we get a palindrome (7677447767).

The spelling of 6460137121 in words is "six billion, four hundred sixty million, one hundred thirty-seven thousand, one hundred twenty-one".