152129987 has 2 divisors, whose sum is σ = 152129988. Its totient is φ = 152129986.

The previous prime is 152129963. The next prime is 152130031. The reversal of 152129987 is 789921251.

It is a happy number.

It is an a-pointer prime, because the next prime (152130031) can be obtained adding 152129987 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152129987 is a prime.

It is not a weakly prime, because it can be changed into another prime (152129387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76064993 + 76064994.

It is an arithmetic number, because the mean of its divisors is an integer number (76064994).

Almost surely, 2^152129987 is an apocalyptic number.

152129987 is a deficient number, since it is larger than the sum of its proper divisors (1).

152129987 is an equidigital number, since it uses as much as digits as its factorization.

152129987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 44.

The square root of 152129987 is about 12334.0985483334. The cubic root of 152129987 is about 533.8324168923.

The spelling of 152129987 in words is "one hundred fifty-two million, one hundred twenty-nine thousand, nine hundred eighty-seven".