153121289 has 2 divisors, whose sum is σ = 153121290. Its totient is φ = 153121288.

The previous prime is 153121279. The next prime is 153121291. The reversal of 153121289 is 982121351.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87235600 + 65885689 = 9340^2 + 8117^2 .

It is an emirp because it is prime and its reverse (982121351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 153121289 - 2¹² = 153117193 is a prime.

It is a super-2 number, since 2×153121289² = 46892258290043042, which contains 22 as substring.

Together with 153121291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (153121229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76560644 + 76560645.

It is an arithmetic number, because the mean of its divisors is an integer number (76560645).

Almost surely, 2^153121289 is an apocalyptic number.

It is an amenable number.

153121289 is a deficient number, since it is larger than the sum of its proper divisors (1).

153121289 is an equidigital number, since it uses as much as digits as its factorization.

153121289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 32.

The square root of 153121289 is about 12374.2187228124. The cubic root of 153121289 is about 534.9894183717.

The spelling of 153121289 in words is "one hundred fifty-three million, one hundred twenty-one thousand, two hundred eighty-nine".