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1230014121 = 3737915131
BaseRepresentation
bin100100101010000…
…1000011010101001
310011201111012011120
41021110020122221
510004340422441
6322015245453
742323643000
oct11124103251
93151435146
101230014121
115813468a6
122a3b19889
13167aa2a0b
14b9503c37
1572eb8966
hex495086a9

1230014121 has 32 divisors (see below), whose sum is σ = 1936896000. Its totient is φ = 693922320.

The previous prime is 1230014099. The next prime is 1230014131. The reversal of 1230014121 is 1214100321.

It is not a de Polignac number, because 1230014121 - 210 = 1230013097 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1230014121.

It is not an unprimeable number, because it can be changed into a prime (1230014131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73726 + ... + 88856.

It is an arithmetic number, because the mean of its divisors is an integer number (60528000).

Almost surely, 21230014121 is an apocalyptic number.

It is an amenable number.

1230014121 is a deficient number, since it is larger than the sum of its proper divisors (706881879).

1230014121 is an equidigital number, since it uses as much as digits as its factorization.

1230014121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15234 (or 15220 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1230014121 is about 35071.5571510590. The cubic root of 1230014121 is about 1071.4453698979.

Adding to 1230014121 its reverse (1214100321), we get a palindrome (2444114442).

The spelling of 1230014121 in words is "one billion, two hundred thirty million, fourteen thousand, one hundred twenty-one".

Divisors: 1 3 7 21 49 79 147 237 343 553 1029 1659 3871 11613 15131 27097 45393 81291 105917 317751 741419 1195349 2224257 3586047 5189933 8367443 15569799 25102329 58572101 175716303 410004707 1230014121