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1264125007 is a prime number
BaseRepresentation
bin100101101011001…
…0000010001001111
310021002200012111201
41023112100101033
510042104000012
6325234330331
743216612435
oct11326202117
93232605451
101264125007
11599624912
122b34299a7
13171b86b82
14bdc62d55
1575ea5857
hex4b59044f

1264125007 has 2 divisors, whose sum is σ = 1264125008. Its totient is φ = 1264125006.

The previous prime is 1264124999. The next prime is 1264125041. The reversal of 1264125007 is 7005214621.

It is a weak prime.

It is an emirp because it is prime and its reverse (7005214621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1264125007 - 23 = 1264124999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1264125047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632062503 + 632062504.

It is an arithmetic number, because the mean of its divisors is an integer number (632062504).

Almost surely, 21264125007 is an apocalyptic number.

1264125007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264125007 is an equidigital number, since it uses as much as digits as its factorization.

1264125007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1264125007 is about 35554.5356740881. The cubic root of 1264125007 is about 1081.2596775861.

Adding to 1264125007 its reverse (7005214621), we get a palindrome (8269339628).

The spelling of 1264125007 in words is "one billion, two hundred sixty-four million, one hundred twenty-five thousand, seven".