149827907121 has 8 divisors (see below), whose sum is σ = 199773810720. Its totient is φ = 99883637472.

The previous prime is 149827907111. The next prime is 149827907149. The reversal of 149827907121 is 121709728941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149827907121 - 2⁶ = 149827907057 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149827907101) 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 7 ways as a sum of consecutive naturals, for example, 175551 + ... + 574868.

It is an arithmetic number, because the mean of its divisors is an integer number (24971726340).

Almost surely, 2^149827907121 is an apocalyptic number.

It is an amenable number.

149827907121 is a deficient number, since it is larger than the sum of its proper divisors (49945903599).

149827907121 is an equidigital number, since it uses as much as digits as its factorization.

149827907121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816975.

The product of its (nonzero) digits is 508032, while the sum is 51.

The spelling of 149827907121 in words is "one hundred forty-nine billion, eight hundred twenty-seven million, nine hundred seven thousand, one hundred twenty-one".