Search a number
-
+
122510131 is a prime number
BaseRepresentation
bin1110100110101…
…01101100110011
322112112011022021
413103111230303
5222330311011
620053452311
73015214252
oct723255463
9275464267
10122510131
1163176747
1235041097
131c4c5603
14123b0799
15ab4e471
hex74d5b33

122510131 has 2 divisors, whose sum is σ = 122510132. Its totient is φ = 122510130.

The previous prime is 122510111. The next prime is 122510183. The reversal of 122510131 is 131015221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122510131 - 223 = 114121523 is a prime.

It is a super-2 number, since 2×1225101312 = 30017464395274322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122510111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61255065 + 61255066.

It is an arithmetic number, because the mean of its divisors is an integer number (61255066).

Almost surely, 2122510131 is an apocalyptic number.

122510131 is a deficient number, since it is larger than the sum of its proper divisors (1).

122510131 is an equidigital number, since it uses as much as digits as its factorization.

122510131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 122510131 is about 11068.4294730553. The cubic root of 122510131 is about 496.6578849750.

Adding to 122510131 its reverse (131015221), we get a palindrome (253525352).

The spelling of 122510131 in words is "one hundred twenty-two million, five hundred ten thousand, one hundred thirty-one".