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121142341 is a prime number
BaseRepresentation
bin1110011100001…
…11110001000101
322102221200001101
413032013301011
5222003023331
620004300101
73000456445
oct716076105
9272850041
10121142341
1162422041
12346a1631
131c136b78
1412136125
15a97e061
hex7387c45

121142341 has 2 divisors, whose sum is σ = 121142342. Its totient is φ = 121142340.

The previous prime is 121142321. The next prime is 121142353. The reversal of 121142341 is 143241121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101304225 + 19838116 = 10065^2 + 4454^2 .

It is a cyclic number.

It is not a de Polignac number, because 121142341 - 213 = 121134149 is a prime.

It is a super-3 number, since 3×1211423413 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121142321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60571170 + 60571171.

It is an arithmetic number, because the mean of its divisors is an integer number (60571171).

Almost surely, 2121142341 is an apocalyptic number.

It is an amenable number.

121142341 is a deficient number, since it is larger than the sum of its proper divisors (1).

121142341 is an equidigital number, since it uses as much as digits as its factorization.

121142341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 19.

The square root of 121142341 is about 11006.4681437780. The cubic root of 121142341 is about 494.8026162658.

Adding to 121142341 its reverse (143241121), we get a palindrome (264383462).

The spelling of 121142341 in words is "one hundred twenty-one million, one hundred forty-two thousand, three hundred forty-one".