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1155107 is a prime number
BaseRepresentation
bin100011010000000100011
32011200111202
410122000203
5243430412
640431415
712550442
oct4320043
92150452
101155107
11719938
1247856b
133159c5
14220d59
1517c3c2
hex11a023

1155107 has 2 divisors, whose sum is σ = 1155108. Its totient is φ = 1155106.

The previous prime is 1155101. The next prime is 1155127. The reversal of 1155107 is 7015511.

It is an a-pointer prime, because the next prime (1155127) can be obtained adding 1155107 to its sum of digits (20).

It is a weak prime.

It is an emirp because it is prime and its reverse (7015511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1155107 - 220 = 106531 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1155101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577553 + 577554.

It is an arithmetic number, because the mean of its divisors is an integer number (577554).

21155107 is an apocalyptic number.

1155107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155107 is an equidigital number, since it uses as much as digits as its factorization.

1155107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 175, while the sum is 20.

The square root of 1155107 is about 1074.7590427626. The cubic root of 1155107 is about 104.9238147278.

The spelling of 1155107 in words is "one million, one hundred fifty-five thousand, one hundred seven".