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1320121301 = 67169911597
BaseRepresentation
bin100111010101111…
…0111001111010101
310102000001002222112
41032223313033111
510200422340201
6334554440405
744466563102
oct11653671725
93360032875
101320121301
116181a0744
1230a133105
13180661685
14c747baa9
157ad670bb
hex4eaf73d5

1320121301 has 8 divisors (see below), whose sum is σ = 1340728800. Its totient is φ = 1299540528.

The previous prime is 1320121277. The next prime is 1320121303. The reversal of 1320121301 is 1031210231.

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

It is a cyclic number.

It is not a de Polignac number, because 1320121301 - 26 = 1320121237 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 (1320121303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108035 + ... + 119631.

It is an arithmetic number, because the mean of its divisors is an integer number (167591100).

Almost surely, 21320121301 is an apocalyptic number.

It is an amenable number.

1320121301 is a deficient number, since it is larger than the sum of its proper divisors (20607499).

1320121301 is a wasteful number, since it uses less digits than its factorization.

1320121301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13363.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1320121301 is about 36333.4735608915. The cubic root of 1320121301 is about 1096.9949110997.

Adding to 1320121301 its reverse (1031210231), we get a palindrome (2351331532).

The spelling of 1320121301 in words is "one billion, three hundred twenty million, one hundred twenty-one thousand, three hundred one".

Divisors: 1 67 1699 11597 113833 776999 19703303 1320121301