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1330123087 is a prime number
BaseRepresentation
bin100111101001000…
…0001000101001111
310102200212020212001
41033102001011033
510211002414322
6335553053131
744650600606
oct11722010517
93380766761
101330123087
11622902187
123115571a7
13182753ca7
14c8922a3d
157bb90827
hex4f48114f

1330123087 has 2 divisors, whose sum is σ = 1330123088. Its totient is φ = 1330123086.

The previous prime is 1330123049. The next prime is 1330123121. The reversal of 1330123087 is 7803210331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1330123087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330123037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665061543 + 665061544.

It is an arithmetic number, because the mean of its divisors is an integer number (665061544).

Almost surely, 21330123087 is an apocalyptic number.

1330123087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330123087 is an equidigital number, since it uses as much as digits as its factorization.

1330123087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1330123087 is about 36470.8525674956. The cubic root of 1330123087 is about 1099.7583730987.

The spelling of 1330123087 in words is "one billion, three hundred thirty million, one hundred twenty-three thousand, eighty-seven".