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121424611 = 7111982997
BaseRepresentation
bin1110011110011…
…00101011100011
322110111000020211
413033030223203
5222041041421
620014314551
73003043420
oct717145343
9273430224
10121424611
11625a5120
12347b8a57
131c2054a9
14121aad47
15a9d79e1
hex73ccae3

121424611 has 16 divisors (see below), whose sum is σ = 159356160. Its totient is φ = 89635680.

The previous prime is 121424603. The next prime is 121424617. The reversal of 121424611 is 116424121.

It is a cyclic number.

It is not a de Polignac number, because 121424611 - 23 = 121424603 is a prime.

It is a super-3 number, since 3×1214246113 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121424617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40036 + ... + 42961.

It is an arithmetic number, because the mean of its divisors is an integer number (9959760).

Almost surely, 2121424611 is an apocalyptic number.

121424611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121424611 is a deficient number, since it is larger than the sum of its proper divisors (37931549).

121424611 is a wasteful number, since it uses less digits than its factorization.

121424611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83034.

The product of its digits is 384, while the sum is 22.

The square root of 121424611 is about 11019.2835974032. The cubic root of 121424611 is about 495.1866262244.

Adding to 121424611 its reverse (116424121), we get a palindrome (237848732).

The spelling of 121424611 in words is "one hundred twenty-one million, four hundred twenty-four thousand, six hundred eleven".

Divisors: 1 7 11 19 77 133 209 1463 82997 580979 912967 1576943 6390769 11038601 17346373 121424611