49870121 has 8 divisors (see below), whose sum is σ = 57048960. Its totient is φ = 42704928.

The previous prime is 49870099. The next prime is 49870133. The reversal of 49870121 is 12107894.

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

It is not a de Polignac number, because 49870121 - 2¹⁰ = 49869097 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49870321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6260 + ... + 11786.

It is an arithmetic number, because the mean of its divisors is an integer number (7131120).

Almost surely, 2^49870121 is an apocalyptic number.

It is an amenable number.

49870121 is a deficient number, since it is larger than the sum of its proper divisors (7178839).

49870121 is a wasteful number, since it uses less digits than its factorization.

49870121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6823.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 49870121 is about 7061.8780080089. The cubic root of 49870121 is about 368.0838877166.

The spelling of 49870121 in words is "forty-nine million, eight hundred seventy thousand, one hundred twenty-one".