1098126 has 12 divisors (see below), whose sum is σ = 2379312. Its totient is φ = 366036.
The previous prime is 1098121. The next prime is 1098133. The reversal of 1098126 is 6218901.
It is a self number, because there is not a number n which added to its sum of digits gives 1098126.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1098121) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30486 + ... + 30521.
It is an arithmetic number, because the mean of its divisors is an integer number (198276).
21098126 is an apocalyptic number.
1098126 is an abundant number, since it is smaller than the sum of its proper divisors (1281186).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1098126 is a wasteful number, since it uses less digits than its factorization.
1098126 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61015 (or 61012 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 27.
The square root of 1098126 is about 1047.9150728947. The cubic root of 1098126 is about 103.1693572264.
The spelling of 1098126 in words is "one million, ninety-eight thousand, one hundred twenty-six".
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