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121047473 is a prime number
BaseRepresentation
bin1110011011100…
…00100110110001
322102202211220202
413031300212301
5221442004343
620002244545
72666613041
oct715604661
9272684822
10121047473
1162367838
1234656755
131c102931
141210d721
15a960db8
hex73709b1

121047473 has 2 divisors, whose sum is σ = 121047474. Its totient is φ = 121047472.

The previous prime is 121047469. The next prime is 121047481. The reversal of 121047473 is 374740121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118635664 + 2411809 = 10892^2 + 1553^2 .

It is a cyclic number.

It is not a de Polignac number, because 121047473 - 22 = 121047469 is a prime.

It is not a weakly prime, because it can be changed into another prime (121047373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60523736 + 60523737.

It is an arithmetic number, because the mean of its divisors is an integer number (60523737).

Almost surely, 2121047473 is an apocalyptic number.

It is an amenable number.

121047473 is a deficient number, since it is larger than the sum of its proper divisors (1).

121047473 is an equidigital number, since it uses as much as digits as its factorization.

121047473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 121047473 is about 11002.1576520244. The cubic root of 121047473 is about 494.6734206081.

Adding to 121047473 its reverse (374740121), we get a palindrome (495787594).

The spelling of 121047473 in words is "one hundred twenty-one million, forty-seven thousand, four hundred seventy-three".