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1144702121 is a prime number
BaseRepresentation
bin100010000111010…
…1100010010101001
32221202221220002212
41010032230102221
54321020431441
6305330534505
740236543653
oct10416542251
92852856085
101144702121
11538177712
1227b437435
13153202844
14ac0576d3
156a765eeb
hex443ac4a9

1144702121 has 2 divisors, whose sum is σ = 1144702122. Its totient is φ = 1144702120.

The previous prime is 1144702099. The next prime is 1144702127. The reversal of 1144702121 is 1212074411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1102970521 + 41731600 = 33211^2 + 6460^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144702121 - 26 = 1144702057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144702127) 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, 572351060 + 572351061.

It is an arithmetic number, because the mean of its divisors is an integer number (572351061).

Almost surely, 21144702121 is an apocalyptic number.

It is an amenable number.

1144702121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144702121 is an equidigital number, since it uses as much as digits as its factorization.

1144702121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 1144702121 is about 33833.4467797770. The cubic root of 1144702121 is about 1046.0782262566.

Adding to 1144702121 its reverse (1212074411), we get a palindrome (2356776532).

The spelling of 1144702121 in words is "one billion, one hundred forty-four million, seven hundred two thousand, one hundred twenty-one".