1379161 has 4 divisors (see below), whose sum is σ = 1576192. Its totient is φ = 1182132.
The previous prime is 1379141. The next prime is 1379167. The reversal of 1379161 is 1619731.
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.
It is not a de Polignac number, because 1379161 - 25 = 1379129 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1379167) 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, 98505 + ... + 98518.
It is an arithmetic number, because the mean of its divisors is an integer number (394048).
21379161 is an apocalyptic number.
It is an amenable number.
1379161 is a deficient number, since it is larger than the sum of its proper divisors (197031).
1379161 is an equidigital number, since it uses as much as digits as its factorization.
1379161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 197030.
The product of its digits is 1134, while the sum is 28.
The square root of 1379161 is about 1174.3768560390. The cubic root of 1379161 is about 111.3110610385.
It can be divided in two parts, 1379 and 161, that added together give a triangular number (1540 = T55).
The spelling of 1379161 in words is "one million, three hundred seventy-nine thousand, one hundred sixty-one".
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