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1075120537 = 1318207027
BaseRepresentation
bin100000000010101…
…0000100110011001
32202221000210010011
41000011100212121
54200212324122
6254403321521
735433242131
oct10005204631
92687023104
101075120537
11501971a77
122600802a1
1314197c5ca
14a2b03ac1
15645be377
hex40150999

1075120537 has 4 divisors (see below), whose sum is σ = 1083327696. Its totient is φ = 1066913380.

The previous prime is 1075120531. The next prime is 1075120561. The reversal of 1075120537 is 7350215701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1075120537 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1075120499 and 1075120508.

It is not an unprimeable number, because it can be changed into a prime (1075120531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4103383 + ... + 4103644.

It is an arithmetic number, because the mean of its divisors is an integer number (270831924).

Almost surely, 21075120537 is an apocalyptic number.

It is an amenable number.

1075120537 is a deficient number, since it is larger than the sum of its proper divisors (8207159).

1075120537 is an equidigital number, since it uses as much as digits as its factorization.

1075120537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8207158.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 1075120537 is about 32789.0307420027. The cubic root of 1075120537 is about 1024.4380936048.

The spelling of 1075120537 in words is "one billion, seventy-five million, one hundred twenty thousand, five hundred thirty-seven".

Divisors: 1 131 8207027 1075120537