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121028053 is a prime number
BaseRepresentation
bin1110011011010…
…11110111010101
322102201212021111
413031223313111
5221440344203
620002015021
72666502316
oct715536725
9272655244
10121028053
1162354193
1234647471
131c0c6b43
141210660d
15a95a26d
hex736bdd5

121028053 has 2 divisors, whose sum is σ = 121028054. Its totient is φ = 121028052.

The previous prime is 121028029. The next prime is 121028071. The reversal of 121028053 is 350820121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108118404 + 12909649 = 10398^2 + 3593^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121028053 is a prime.

It is a super-2 number, since 2×1210280532 = 29295579225941618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121028153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60514026 + 60514027.

It is an arithmetic number, because the mean of its divisors is an integer number (60514027).

Almost surely, 2121028053 is an apocalyptic number.

It is an amenable number.

121028053 is a deficient number, since it is larger than the sum of its proper divisors (1).

121028053 is an equidigital number, since it uses as much as digits as its factorization.

121028053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 121028053 is about 11001.2750624644. The cubic root of 121028053 is about 494.6469652256.

Adding to 121028053 its reverse (350820121), we get a palindrome (471848174).

The spelling of 121028053 in words is "one hundred twenty-one million, twenty-eight thousand, fifty-three".