1161424 has 20 divisors (see below), whose sum is σ = 2455200. Its totient is φ = 527840.
The previous prime is 1161403. The next prime is 1161437. The reversal of 1161424 is 4241611.
It is a plaindrome in base 14.
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, 3124 + ... + 3475.
It is an arithmetic number, because the mean of its divisors is an integer number (122760).
21161424 is an apocalyptic number.
It is an amenable number.
1161424 is an abundant number, since it is smaller than the sum of its proper divisors (1293776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1161424 is a wasteful number, since it uses less digits than its factorization.
1161424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6618 (or 6612 counting only the distinct ones).
The product of its digits is 192, while the sum is 19.
The square root of 1161424 is about 1077.6938340735. The cubic root of 1161424 is about 105.1147347486.
It can be divided in two parts, 116 and 1424, that added together give a triangular number (1540 = T55).
The spelling of 1161424 in words is "one million, one hundred sixty-one thousand, four hundred twenty-four".
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