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1272941 is a prime number
BaseRepresentation
bin100110110110001101101
32101200010222
410312301231
5311213231
643141125
713551125
oct4666155
92350128
101272941
1179a41a
125147a5
13357527
14251c85
151a227b
hex136c6d

1272941 has 2 divisors, whose sum is σ = 1272942. Its totient is φ = 1272940.

The previous prime is 1272937. The next prime is 1272961. The reversal of 1272941 is 1492721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 855625 + 417316 = 925^2 + 646^2 .

It is a cyclic number.

It is not a de Polignac number, because 1272941 - 22 = 1272937 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1272941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1272961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636470 + 636471.

It is an arithmetic number, because the mean of its divisors is an integer number (636471).

21272941 is an apocalyptic number.

It is an amenable number.

1272941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1272941 is an equidigital number, since it uses as much as digits as its factorization.

1272941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 26.

The square root of 1272941 is about 1128.2468701486. The cubic root of 1272941 is about 108.3767421043.

The spelling of 1272941 in words is "one million, two hundred seventy-two thousand, nine hundred forty-one".