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121444733 is a prime number
BaseRepresentation
bin1110011110100…
…01100101111101
322110112000212002
413033101211331
5222042212413
620014552045
73003156164
oct717214575
9273460762
10121444733
1162609253
1234808625
131c2116b7
14121b43db
15a9dd958
hex73d197d

121444733 has 2 divisors, whose sum is σ = 121444734. Its totient is φ = 121444732.

The previous prime is 121444711. The next prime is 121444759. The reversal of 121444733 is 337444121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107702884 + 13741849 = 10378^2 + 3707^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121444733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121444696 and 121444705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121444703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60722366 + 60722367.

It is an arithmetic number, because the mean of its divisors is an integer number (60722367).

Almost surely, 2121444733 is an apocalyptic number.

It is an amenable number.

121444733 is a deficient number, since it is larger than the sum of its proper divisors (1).

121444733 is an equidigital number, since it uses as much as digits as its factorization.

121444733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 29.

The square root of 121444733 is about 11020.1965953426. The cubic root of 121444733 is about 495.2139781614.

Adding to 121444733 its reverse (337444121), we get a palindrome (458888854).

The spelling of 121444733 in words is "one hundred twenty-one million, four hundred forty-four thousand, seven hundred thirty-three".