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1371241 = 11712
BaseRepresentation
bin101001110110001101001
32120122222201
411032301221
5322334431
645220201
714440534
oct5166151
92518881
101371241
11857263
12561661
133901b1
14279a1b
151c1461
hex14ec69

1371241 has 3 divisors (see below), whose sum is σ = 1372413. Its totient is φ = 1370070.

The previous prime is 1371229. The next prime is 1371259. The reversal of 1371241 is 1421731.

Adding to 1371241 its reverse (1421731), we get a palindrome (2792972).

It can be divided in two parts, 137 and 1241, that added together give a triangular number (1378 = T52).

The square root of 1371241 is 1171.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1371241 - 27 = 1371113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1371541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 586 + ... + 1756.

It is an arithmetic number, because the mean of its divisors is an integer number (457471).

21371241 is an apocalyptic number.

1371241 is the 1171-st square number.

1371241 is the 586-th centered octagonal number.

It is an amenable number.

1371241 is a deficient number, since it is larger than the sum of its proper divisors (1172).

1371241 is an frugal number, since it uses more digits than its factorization.

1371241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342 (or 1171 counting only the distinct ones).

The product of its digits is 168, while the sum is 19.

The cubic root of 1371241 is about 111.0975794262.

The spelling of 1371241 in words is "one million, three hundred seventy-one thousand, two hundred forty-one".

Divisors: 1 1171 1371241