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121460389 is a prime number
BaseRepresentation
bin1110011110101…
…01011010100101
322110112211022221
413033111122211
5222043213024
620015152341
73003252631
oct717253245
9273484287
10121460389
1162619a96
12348156b1
131c21886b
14121b9dc1
15a9e33e4
hex73d56a5

121460389 has 2 divisors, whose sum is σ = 121460390. Its totient is φ = 121460388.

The previous prime is 121460377. The next prime is 121460413. The reversal of 121460389 is 983064121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113252164 + 8208225 = 10642^2 + 2865^2 .

It is a cyclic number.

It is not a de Polignac number, because 121460389 - 25 = 121460357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121460329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60730194 + 60730195.

It is an arithmetic number, because the mean of its divisors is an integer number (60730195).

Almost surely, 2121460389 is an apocalyptic number.

It is an amenable number.

121460389 is a deficient number, since it is larger than the sum of its proper divisors (1).

121460389 is an equidigital number, since it uses as much as digits as its factorization.

121460389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 121460389 is about 11020.9069046064. The cubic root of 121460389 is about 495.2352573522.

The spelling of 121460389 in words is "one hundred twenty-one million, four hundred sixty thousand, three hundred eighty-nine".