978130 has 8 divisors (see below), whose sum is σ = 1760652. Its totient is φ = 391248.

The previous prime is 978113. The next prime is 978149. The reversal of 978130 is 31879.

978130 = T₆₂₃ + T₆₂₄ + ... + T₆₂₇.

978130 = 97² + 98² + ... + 156².

It can be written as a sum of positive squares in 2 ways, for example, as 978121 + 9 = 989^2 + 3^2 .

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

It is an unprimeable number.

978130 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48897 + ... + 48916.

2⁹⁷⁸¹³⁰ is an apocalyptic number.

978130 is a deficient number, since it is larger than the sum of its proper divisors (782522).

978130 is a wasteful number, since it uses less digits than its factorization.

978130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97820.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 978130 is about 989.0045500401. The cubic root of 978130 is about 99.2656200631.

The spelling of 978130 in words is "nine hundred seventy-eight thousand, one hundred thirty".