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1288051 is a prime number
BaseRepresentation
bin100111010011101110011
32102102212121
410322131303
5312204201
643335111
713643152
oct4723563
92372777
101288051
117aa806
12521497
1336137b
14257599
151a69a1
hex13a773

1288051 has 2 divisors, whose sum is σ = 1288052. Its totient is φ = 1288050.

The previous prime is 1288043. The next prime is 1288057. The reversal of 1288051 is 1508821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1288051 - 23 = 1288043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1288057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 644025 + 644026.

It is an arithmetic number, because the mean of its divisors is an integer number (644026).

21288051 is an apocalyptic number.

1288051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1288051 is an equidigital number, since it uses as much as digits as its factorization.

1288051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 1288051 is about 1134.9233454291. The cubic root of 1288051 is about 108.8038725463.

The spelling of 1288051 in words is "one million, two hundred eighty-eight thousand, fifty-one".