6121215107 has 16 divisors (see below), whose sum is σ = 7258848000. Its totient is φ = 5050473120.

The previous prime is 6121215103. The next prime is 6121215137. The reversal of 6121215107 is 7015121216.

It is not a de Polignac number, because 6121215107 - 2² = 6121215103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6121215103) 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, 21644 + ... + 112742.

It is an arithmetic number, because the mean of its divisors is an integer number (453678000).

Almost surely, 2^6121215107 is an apocalyptic number.

6121215107 is a deficient number, since it is larger than the sum of its proper divisors (1137632893).

6121215107 is a wasteful number, since it uses less digits than its factorization.

6121215107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91466.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 6121215107 is about 78238.1946813703. The cubic root of 6121215107 is about 1829.2759044157.

The spelling of 6121215107 in words is "six billion, one hundred twenty-one million, two hundred fifteen thousand, one hundred seven".