1011401 has 4 divisors (see below), whose sum is σ = 1013712. Its totient is φ = 1009092.
The previous prime is 1011397. The next prime is 1011407. The reversal of 1011401 is 1041101.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1041101 = 97 ⋅10733.
It is a cyclic number.
It is not a de Polignac number, because 1011401 - 22 = 1011397 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1011407) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275 + ... + 1448.
It is an arithmetic number, because the mean of its divisors is an integer number (253428).
21011401 is an apocalyptic number.
It is an amenable number.
1011401 is a deficient number, since it is larger than the sum of its proper divisors (2311).
1011401 is an equidigital number, since it uses as much as digits as its factorization.
1011401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2310.
The product of its (nonzero) digits is 4, while the sum is 8.
The square root of 1011401 is about 1005.6843441160. The cubic root of 1011401 is about 100.3785981588.
Adding to 1011401 its reverse (1041101), we get a palindrome (2052502).
It can be divided in two parts, 10 and 11401, that added together give a palindrome (11411).
The spelling of 1011401 in words is "one million, eleven thousand, four hundred one".
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