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121469 is a prime number
BaseRepresentation
bin11101101001111101
320011121212
4131221331
512341334
62334205
71014065
oct355175
9204555
10121469
1183297
125a365
134339a
14323a5
1525ece
hex1da7d

121469 has 2 divisors, whose sum is σ = 121470. Its totient is φ = 121468.

The previous prime is 121453. The next prime is 121487. The reversal of 121469 is 964121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114244 + 7225 = 338^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 121469 - 24 = 121453 is a prime.

It is a super-2 number, since 2×1214692 = 29509435922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60734 + 60735.

It is an arithmetic number, because the mean of its divisors is an integer number (60735).

2121469 is an apocalyptic number.

It is an amenable number.

121469 is a deficient number, since it is larger than the sum of its proper divisors (1).

121469 is an equidigital number, since it uses as much as digits as its factorization.

121469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 23.

The square root of 121469 is about 348.5240307353. The cubic root of 121469 is about 49.5246960399.

The spelling of 121469 in words is "one hundred twenty-one thousand, four hundred sixty-nine".