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1202881 is a prime number
BaseRepresentation
bin100100101101011000001
32021010001011
410211223001
5301443011
641440521
713136641
oct4455301
92233034
101202881
11751819
124a0141
13331684
14234521
1518b621
hex125ac1

1202881 has 2 divisors, whose sum is σ = 1202882. Its totient is φ = 1202880.

The previous prime is 1202867. The next prime is 1202939. The reversal of 1202881 is 1882021.

1202881 = T894 + T895 + T896.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1166400 + 36481 = 1080^2 + 191^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202881 - 25 = 1202849 is a prime.

It is a super-2 number, since 2×12028812 = 2893845400322, which contains 22 as substring.

1202881 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1202081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601440 + 601441.

It is an arithmetic number, because the mean of its divisors is an integer number (601441).

21202881 is an apocalyptic number.

1202881 is the 896-th centered triangular number.

It is an amenable number.

1202881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202881 is an equidigital number, since it uses as much as digits as its factorization.

1202881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 1202881 is about 1096.7593172615. The cubic root of 1202881 is about 106.3508311553.

The spelling of 1202881 in words is "one million, two hundred two thousand, eight hundred eighty-one".