50701121 has 2 divisors, whose sum is σ = 50701122. Its totient is φ = 50701120.

The previous prime is 50701117. The next prime is 50701129. The reversal of 50701121 is 12110705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49900096 + 801025 = 7064^2 + 895^2 .

It is a cyclic number.

It is not a de Polignac number, because 50701121 - 2² = 50701117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50701121.

It is not a weakly prime, because it can be changed into another prime (50701129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25350560 + 25350561.

It is an arithmetic number, because the mean of its divisors is an integer number (25350561).

Almost surely, 2^50701121 is an apocalyptic number.

It is an amenable number.

50701121 is a deficient number, since it is larger than the sum of its proper divisors (1).

50701121 is an equidigital number, since it uses as much as digits as its factorization.

50701121 is an evil number, because the sum of its binary digits is even.

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

The square root of 50701121 is about 7120.4719646945. The cubic root of 50701121 is about 370.1171311651.

Adding to 50701121 its reverse (12110705), we get a palindrome (62811826).

The spelling of 50701121 in words is "fifty million, seven hundred one thousand, one hundred twenty-one".