50107121 has 2 divisors, whose sum is σ = 50107122. Its totient is φ = 50107120.

The previous prime is 50107117. The next prime is 50107151. The reversal of 50107121 is 12170105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49900096 + 207025 = 7064^2 + 455^2 .

It is a cyclic number.

It is not a de Polignac number, because 50107121 - 2² = 50107117 is a prime.

It is equal to p_3007151 and since 50107121 and 3007151 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50107121.

It is not a weakly prime, because it can be changed into another prime (50107151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25053560 + 25053561.

It is an arithmetic number, because the mean of its divisors is an integer number (25053561).

Almost surely, 2^50107121 is an apocalyptic number.

It is an amenable number.

50107121 is a deficient number, since it is larger than the sum of its proper divisors (1).

50107121 is an equidigital number, since it uses as much as digits as its factorization.

50107121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 50107121 is about 7078.6383577634. The cubic root of 50107121 is about 368.6660536287. Note that the first 3 decimals are identical.

Adding to 50107121 its reverse (12170105), we get a palindrome (62277226).

The spelling of 50107121 in words is "fifty million, one hundred seven thousand, one hundred twenty-one".