Search a number
-
+
122605523 is a prime number
BaseRepresentation
bin1110100111011…
…00111111010011
322112201000011022
413103230333103
5222341334043
620055510055
73016062335
oct723547723
9275630138
10122605523
1163231387
123508832b
131c529b61
14123d7455
15ab6c868
hex74ecfd3

122605523 has 2 divisors, whose sum is σ = 122605524. Its totient is φ = 122605522.

The previous prime is 122605493. The next prime is 122605541. The reversal of 122605523 is 325506221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122605523 - 26 = 122605459 is a prime.

It is a super-2 number, since 2×1226055232 = 30064228540207058, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 122605492 and 122605501.

It is not a weakly prime, because it can be changed into another prime (122605573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61302761 + 61302762.

It is an arithmetic number, because the mean of its divisors is an integer number (61302762).

Almost surely, 2122605523 is an apocalyptic number.

122605523 is a deficient number, since it is larger than the sum of its proper divisors (1).

122605523 is an equidigital number, since it uses as much as digits as its factorization.

122605523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 122605523 is about 11072.7378276558. The cubic root of 122605523 is about 496.7867583920.

The spelling of 122605523 in words is "one hundred twenty-two million, six hundred five thousand, five hundred twenty-three".