981705130 has 32 divisors (see below), whose sum is σ = 2053745280. Its totient is φ = 330878400.

The previous prime is 981705119. The next prime is 981705133. The reversal of 981705130 is 31507189.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (981705133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114721 + ... + 122980.

It is an arithmetic number, because the mean of its divisors is an integer number (64179540).

Almost surely, 2^981705130 is an apocalyptic number.

981705130 is an abundant number, since it is smaller than the sum of its proper divisors (1072040150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

981705130 is a wasteful number, since it uses less digits than its factorization.

981705130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237774.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 981705130 is about 31332.1740388375. The cubic root of 981705130 is about 993.8641382026.

The spelling of 981705130 in words is "nine hundred eighty-one million, seven hundred five thousand, one hundred thirty".