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1245162041 is a prime number
BaseRepresentation
bin100101000110111…
…1010101000111001
310012202222210012122
41022031322220321
510022230141131
6323320051025
742566463014
oct11215725071
93182883178
101245162041
11589952742
122a9003a75
1316ac77796
14bb52837b
15744abd7b
hex4a37aa39

1245162041 has 2 divisors, whose sum is σ = 1245162042. Its totient is φ = 1245162040.

The previous prime is 1245162031. The next prime is 1245162047. The reversal of 1245162041 is 1402615421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 650046016 + 595116025 = 25496^2 + 24395^2 .

It is a cyclic number.

It is not a de Polignac number, because 1245162041 - 26 = 1245161977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1245162041.

It is not a weakly prime, because it can be changed into another prime (1245162047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622581020 + 622581021.

It is an arithmetic number, because the mean of its divisors is an integer number (622581021).

Almost surely, 21245162041 is an apocalyptic number.

It is an amenable number.

1245162041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245162041 is an equidigital number, since it uses as much as digits as its factorization.

1245162041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1245162041 is about 35286.8536568507. The cubic root of 1245162041 is about 1075.8258059867.

Adding to 1245162041 its reverse (1402615421), we get a palindrome (2647777462).

The spelling of 1245162041 in words is "one billion, two hundred forty-five million, one hundred sixty-two thousand, forty-one".