1142436 has 12 divisors (see below), whose sum is σ = 2665712. Its totient is φ = 380808.
The previous prime is 1142431. The next prime is 1142473. The reversal of 1142436 is 6342411.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-3 number, since 3×11424363 = 4473185357591333568, which contains 333 as substring.
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (1142431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47590 + ... + 47613.
21142436 is an apocalyptic number.
It is an amenable number.
1142436 is an abundant number, since it is smaller than the sum of its proper divisors (1523276).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1142436 is a wasteful number, since it uses less digits than its factorization.
1142436 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95210 (or 95208 counting only the distinct ones).
The product of its digits is 576, while the sum is 21.
The square root of 1142436 is about 1068.8479779651. The cubic root of 1142436 is about 104.5387477166.
Adding to 1142436 its reverse (6342411), we get a palindrome (7484847).
The spelling of 1142436 in words is "one million, one hundred forty-two thousand, four hundred thirty-six".
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