987129701 has 8 divisors (see below), whose sum is σ = 1046177280. Its totient is φ = 928191168.

The previous prime is 987129691. The next prime is 987129713. The reversal of 987129701 is 107921789.

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

It is a cyclic number.

It is not a de Polignac number, because 987129701 - 2²² = 982935397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987129301) 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, 8231 + ... + 45188.

It is an arithmetic number, because the mean of its divisors is an integer number (130772160).

Almost surely, 2^987129701 is an apocalyptic number.

It is an amenable number.

987129701 is a deficient number, since it is larger than the sum of its proper divisors (59047579).

987129701 is a wasteful number, since it uses less digits than its factorization.

987129701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54523.

The product of its (nonzero) digits is 63504, while the sum is 44.

The square root of 987129701 is about 31418.6202911586. The cubic root of 987129701 is about 995.6913626398.

The spelling of 987129701 in words is "nine hundred eighty-seven million, one hundred twenty-nine thousand, seven hundred one".