152020987 has 8 divisors (see below), whose sum is σ = 166514400. Its totient is φ = 138144384.

The previous prime is 152020951. The next prime is 152020991. The reversal of 152020987 is 789020251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152020987 is a prime.

It is a super-2 number, since 2×152020987² = 46220760976908338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152020997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153687 + ... + 154672.

It is an arithmetic number, because the mean of its divisors is an integer number (20814300).

Almost surely, 2^152020987 is an apocalyptic number.

152020987 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

152020987 is a deficient number, since it is larger than the sum of its proper divisors (14493413).

152020987 is a wasteful number, since it uses less digits than its factorization.

152020987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308405.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 152020987 is about 12329.6791118017. The cubic root of 152020987 is about 533.7048907831.

The spelling of 152020987 in words is "one hundred fifty-two million, twenty thousand, nine hundred eighty-seven".