988131 has 8 divisors (see below), whose sum is σ = 1324224. Its totient is φ = 655400.

The previous prime is 988129. The next prime is 988147. The reversal of 988131 is 131889.

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 988131 - 2¹ = 988129 is a prime.

It is a super-2 number, since 2×988131² = 1952805746322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (988111) 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, 45 + ... + 1406.

It is an arithmetic number, because the mean of its divisors is an integer number (165528).

2⁹⁸⁸¹³¹ is an apocalyptic number.

988131 is a deficient number, since it is larger than the sum of its proper divisors (336093).

988131 is a wasteful number, since it uses less digits than its factorization.

988131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681.

The product of its digits is 1728, while the sum is 30.

The square root of 988131 is about 994.0477855717. The cubic root of 988131 is about 99.6027910058.

The spelling of 988131 in words is "nine hundred eighty-eight thousand, one hundred thirty-one".