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1041231221 = 14915146279
BaseRepresentation
bin111110000011111…
…110110101110101
32200120021000201022
4332003332311311
54113023344341
6251153110525
734542214352
oct7603766565
92616230638
101041231221
11494825478
12250858445
13137945264
149c401629
1561627e4b
hex3e0fed75

1041231221 has 8 divisors (see below), whose sum is σ = 1055184000. Its totient is φ = 1027371600.

The previous prime is 1041231199. The next prime is 1041231227. The reversal of 1041231221 is 1221321401.

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 1041231221 - 26 = 1041231157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1041231221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041231227) 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, 641 + ... + 45638.

It is an arithmetic number, because the mean of its divisors is an integer number (131898000).

Almost surely, 21041231221 is an apocalyptic number.

It is an amenable number.

1041231221 is a deficient number, since it is larger than the sum of its proper divisors (13952779).

1041231221 is a wasteful number, since it uses less digits than its factorization.

1041231221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46579.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1041231221 is about 32268.1146179940. The cubic root of 1041231221 is about 1013.5590612551.

Adding to 1041231221 its reverse (1221321401), we get a palindrome (2262552622).

The spelling of 1041231221 in words is "one billion, forty-one million, two hundred thirty-one thousand, two hundred twenty-one".

Divisors: 1 149 151 22499 46279 6895571 6988129 1041231221