1081430 has 24 divisors (see below), whose sum is σ = 2265408. Its totient is φ = 370608.
The previous prime is 1081429. The next prime is 1081441. The reversal of 1081430 is 341801.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1081399 and 1081408.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 614 + ... + 1593.
It is an arithmetic number, because the mean of its divisors is an integer number (94392).
21081430 is an apocalyptic number.
1081430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1081430 is an abundant number, since it is smaller than the sum of its proper divisors (1183978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1081430 is a wasteful number, since it uses less digits than its factorization.
1081430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2228 (or 2221 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 1081430 is about 1039.9182660190. The cubic root of 1081430 is about 102.6438195258.
The spelling of 1081430 in words is "one million, eighty-one thousand, four hundred thirty".
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