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1201134479 is a prime number
BaseRepresentation
bin100011110010111…
…1101101110001111
310002201010221202012
41013211331232033
54424442300404
6315104251435
741523321536
oct10745755617
93081127665
101201134479
11567011126
12296310b7b
13161b0097c
14b574731d
15706b1a6e
hex4797db8f

1201134479 has 2 divisors, whose sum is σ = 1201134480. Its totient is φ = 1201134478.

The previous prime is 1201134427. The next prime is 1201134503. The reversal of 1201134479 is 9744311021.

It is a strong prime.

It is an emirp because it is prime and its reverse (9744311021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201134479 - 28 = 1201134223 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201134379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600567239 + 600567240.

It is an arithmetic number, because the mean of its divisors is an integer number (600567240).

Almost surely, 21201134479 is an apocalyptic number.

1201134479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201134479 is an equidigital number, since it uses as much as digits as its factorization.

1201134479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1201134479 is about 34657.3870769278. The cubic root of 1201134479 is about 1062.9933425485.

The spelling of 1201134479 in words is "one billion, two hundred one million, one hundred thirty-four thousand, four hundred seventy-nine".