9780126 has 8 divisors (see below), whose sum is σ = 19560264. Its totient is φ = 3260040.

The previous prime is 9780101. The next prime is 9780131. The reversal of 9780126 is 6210879.

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

9780126 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815005 + ... + 815016.

It is an arithmetic number, because the mean of its divisors is an integer number (2445033).

Almost surely, 2^9780126 is an apocalyptic number.

9780126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9780126 is a wasteful number, since it uses less digits than its factorization.

9780126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630026.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 9780126 is about 3127.3192993361. The cubic root of 9780126 is about 213.8527388191.

The spelling of 9780126 in words is "nine million, seven hundred eighty thousand, one hundred twenty-six".