Search a number
-
+
1272102 = 231347347
BaseRepresentation
bin100110110100100100110
32101121222220
410312210212
5311201402
643133210
713545516
oct4664446
92347886
101272102
11799827
12514206
13357030
14251846
151a1dbc
hex136926

1272102 has 32 divisors (see below), whose sum is σ = 2806272. Its totient is φ = 381984.

The previous prime is 1272091. The next prime is 1272109. The reversal of 1272102 is 2012721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3493 + ... + 3839.

It is an arithmetic number, because the mean of its divisors is an integer number (87696).

21272102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1272102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1403136).

1272102 is an abundant number, since it is smaller than the sum of its proper divisors (1534170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1272102 is a wasteful number, since it uses less digits than its factorization.

1272102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 1272102 is about 1127.8749930733. The cubic root of 1272102 is about 108.3529263707.

Adding to 1272102 its reverse (2012721), we get a palindrome (3284823).

The spelling of 1272102 in words is "one million, two hundred seventy-two thousand, one hundred two".

Divisors: 1 2 3 6 13 26 39 47 78 94 141 282 347 611 694 1041 1222 1833 2082 3666 4511 9022 13533 16309 27066 32618 48927 97854 212017 424034 636051 1272102