49121147 has 8 divisors (see below), whose sum is σ = 49813200. Its totient is φ = 48432384.

The previous prime is 49121129. The next prime is 49121153. The reversal of 49121147 is 74112194.

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

It is a cyclic number.

It is not a de Polignac number, because 49121147 - 2⁸ = 49120891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49121167) 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, 48179 + ... + 49187.

It is an arithmetic number, because the mean of its divisors is an integer number (6226650).

Almost surely, 2^49121147 is an apocalyptic number.

49121147 is a deficient number, since it is larger than the sum of its proper divisors (692053).

49121147 is a wasteful number, since it uses less digits than its factorization.

49121147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645.

The product of its digits is 2016, while the sum is 29.

The square root of 49121147 is about 7008.6480151310. The cubic root of 49121147 is about 366.2318968947.

The spelling of 49121147 in words is "forty-nine million, one hundred twenty-one thousand, one hundred forty-seven".