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1223130301 = 19101637379
BaseRepresentation
bin100100011100111…
…0111110010111101
310011020112110100021
41020321313302331
510001110132201
6321211532141
742211302361
oct11071676275
93136473307
101223130301
11578474998
122a175a051
13166532653
14b86312a1
15725a8ea1
hex48e77cbd

1223130301 has 8 divisors (see below), whose sum is σ = 1300255200. Its totient is φ = 1147280400.

The previous prime is 1223130299. The next prime is 1223130319. The reversal of 1223130301 is 1030313221.

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 1223130301 - 21 = 1223130299 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 (1223130371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316771 + ... + 320608.

It is an arithmetic number, because the mean of its divisors is an integer number (162531900).

Almost surely, 21223130301 is an apocalyptic number.

It is an amenable number.

1223130301 is a deficient number, since it is larger than the sum of its proper divisors (77124899).

1223130301 is a wasteful number, since it uses less digits than its factorization.

1223130301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637499.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1223130301 is about 34973.2798147386. The cubic root of 1223130301 is about 1069.4428347986.

Adding to 1223130301 its reverse (1030313221), we get a palindrome (2253443522).

The spelling of 1223130301 in words is "one billion, two hundred twenty-three million, one hundred thirty thousand, three hundred one".

Divisors: 1 19 101 1919 637379 12110201 64375279 1223130301