152120050421 has 2 divisors, whose sum is σ = 152120050422. Its totient is φ = 152120050420.

The previous prime is 152120050393. The next prime is 152120050441. The reversal of 152120050421 is 124050021251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147909468100 + 4210582321 = 384590^2 + 64889^2 .

It is a cyclic number.

It is not a de Polignac number, because 152120050421 - 2¹⁸ = 152119788277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152120050441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76060025210 + 76060025211.

It is an arithmetic number, because the mean of its divisors is an integer number (76060025211).

Almost surely, 2^152120050421 is an apocalyptic number.

It is an amenable number.

152120050421 is a deficient number, since it is larger than the sum of its proper divisors (1).

152120050421 is an equidigital number, since it uses as much as digits as its factorization.

152120050421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 152120050421 its reverse (124050021251), we get a palindrome (276170071672).

The spelling of 152120050421 in words is "one hundred fifty-two billion, one hundred twenty million, fifty thousand, four hundred twenty-one".