152554121 has 2 divisors, whose sum is σ = 152554122. Its totient is φ = 152554120.

The previous prime is 152554093. The next prime is 152554139. The reversal of 152554121 is 121455251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89510521 + 63043600 = 9461^2 + 7940^2 .

It is an emirp because it is prime and its reverse (121455251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152554121 - 2¹⁰ = 152553097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (152551121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76277060 + 76277061.

It is an arithmetic number, because the mean of its divisors is an integer number (76277061).

Almost surely, 2^152554121 is an apocalyptic number.

It is an amenable number.

152554121 is a deficient number, since it is larger than the sum of its proper divisors (1).

152554121 is an equidigital number, since it uses as much as digits as its factorization.

152554121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2000, while the sum is 26.

The square root of 152554121 is about 12351.2801360831. The cubic root of 152554121 is about 534.3280596731.

The spelling of 152554121 in words is "one hundred fifty-two million, five hundred fifty-four thousand, one hundred twenty-one".