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1301120121 = 3761958101
BaseRepresentation
bin100110110001101…
…1000010001111001
310100200021202021010
41031203120101321
510131041320441
6333035304133
744146224060
oct11543302171
93320252233
101301120121
116084a2894
123038ab049
1317973aa82
14c4b331d7
1579362116
hex4d8d8479

1301120121 has 8 divisors (see below), whose sum is σ = 1982659264. Its totient is φ = 743497200.

The previous prime is 1301120111. The next prime is 1301120123. The reversal of 1301120121 is 1210211031.

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

It is not a de Polignac number, because 1301120121 - 25 = 1301120089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1301120097 and 1301120106.

It is not an unprimeable number, because it can be changed into a prime (1301120123) 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, 30979030 + ... + 30979071.

It is an arithmetic number, because the mean of its divisors is an integer number (247832408).

Almost surely, 21301120121 is an apocalyptic number.

It is an amenable number.

1301120121 is a deficient number, since it is larger than the sum of its proper divisors (681539143).

1301120121 is an equidigital number, since it uses as much as digits as its factorization.

1301120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61958111.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1301120121 is about 36071.0426935513. The cubic root of 1301120121 is about 1091.7062525849.

Adding to 1301120121 its reverse (1210211031), we get a palindrome (2511331152).

The spelling of 1301120121 in words is "one billion, three hundred one million, one hundred twenty thousand, one hundred twenty-one".

Divisors: 1 3 7 21 61958101 185874303 433706707 1301120121