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1125517197 = 3753596057
BaseRepresentation
bin100001100010110…
…0000011110001101
32220102212012100010
41003011200132031
54301113022242
6303403423433
736614511150
oct10305403615
92812765303
101125517197
11528363802
12274b24b79
1314c24640c
14a96a1c97
1568c2689c
hex4316078d

1125517197 has 8 divisors (see below), whose sum is σ = 1715073856. Its totient is φ = 643152672.

The previous prime is 1125517163. The next prime is 1125517201. The reversal of 1125517197 is 7917155211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1125517197 - 27 = 1125517069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125515197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26798008 + ... + 26798049.

It is an arithmetic number, because the mean of its divisors is an integer number (214384232).

Almost surely, 21125517197 is an apocalyptic number.

It is an amenable number.

1125517197 is a deficient number, since it is larger than the sum of its proper divisors (589556659).

1125517197 is an equidigital number, since it uses as much as digits as its factorization.

1125517197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53596067.

The product of its digits is 22050, while the sum is 39.

The square root of 1125517197 is about 33548.7286942441. The cubic root of 1125517197 is about 1040.2012668287.

The spelling of 1125517197 in words is "one billion, one hundred twenty-five million, five hundred seventeen thousand, one hundred ninety-seven".

Divisors: 1 3 7 21 53596057 160788171 375172399 1125517197