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761010121 is a prime number
BaseRepresentation
bin101101010111000…
…001011111001001
31222000222022122001
4231113001133021
53024304310441
6203303031001
724600323254
oct5527013711
91860868561
10761010121
11360630193
12192a3b461
13c1881061
14730da09b
1546c24731
hex2d5c17c9

761010121 has 2 divisors, whose sum is σ = 761010122. Its totient is φ = 761010120.

The previous prime is 761010119. The next prime is 761010179. The reversal of 761010121 is 121010167.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 725548096 + 35462025 = 26936^2 + 5955^2 .

It is a cyclic number.

It is not a de Polignac number, because 761010121 - 21 = 761010119 is a prime.

Together with 761010119, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (761010421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380505060 + 380505061.

It is an arithmetic number, because the mean of its divisors is an integer number (380505061).

Almost surely, 2761010121 is an apocalyptic number.

It is an amenable number.

761010121 is a deficient number, since it is larger than the sum of its proper divisors (1).

761010121 is an equidigital number, since it uses as much as digits as its factorization.

761010121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 761010121 is about 27586.4118906392. The cubic root of 761010121 is about 912.9846536819.

Adding to 761010121 its reverse (121010167), we get a palindrome (882020288).

The spelling of 761010121 in words is "seven hundred sixty-one million, ten thousand, one hundred twenty-one".