30121153127 has 4 divisors (see below), whose sum is σ = 32438164920. Its totient is φ = 27804141336.

The previous prime is 30121153123. The next prime is 30121153141. The reversal of 30121153127 is 72135112103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30121153127 - 2² = 30121153123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30121153096 and 30121153105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121153123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158505877 + ... + 1158505902.

It is an arithmetic number, because the mean of its divisors is an integer number (8109541230).

Almost surely, 2^30121153127 is an apocalyptic number.

30121153127 is a deficient number, since it is larger than the sum of its proper divisors (2317011793).

30121153127 is a wasteful number, since it uses less digits than its factorization.

30121153127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317011792.

The product of its (nonzero) digits is 1260, while the sum is 26.

The spelling of 30121153127 in words is "thirty billion, one hundred twenty-one million, one hundred fifty-three thousand, one hundred twenty-seven".