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121914049 is a prime number
BaseRepresentation
bin1110100010001…
…00001011000001
322111101212122011
413101010023001
5222202222144
620033012521
73010152355
oct721041301
9274355564
10121914049
11628a9914
12349b4141
131c3471ba
1412297465
15aa82a34
hex74442c1

121914049 has 2 divisors, whose sum is σ = 121914050. Its totient is φ = 121914048.

The previous prime is 121914019. The next prime is 121914061. The reversal of 121914049 is 940419121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87609600 + 34304449 = 9360^2 + 5857^2 .

It is a cyclic number.

It is not a de Polignac number, because 121914049 - 25 = 121914017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121914049.

It is not a weakly prime, because it can be changed into another prime (121914019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60957024 + 60957025.

It is an arithmetic number, because the mean of its divisors is an integer number (60957025).

Almost surely, 2121914049 is an apocalyptic number.

It is an amenable number.

121914049 is a deficient number, since it is larger than the sum of its proper divisors (1).

121914049 is an equidigital number, since it uses as much as digits as its factorization.

121914049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 121914049 is about 11041.4695127053. The cubic root of 121914049 is about 495.8510665942.

The spelling of 121914049 in words is "one hundred twenty-one million, nine hundred fourteen thousand, forty-nine".