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122425477 is a prime number
BaseRepresentation
bin1110100110000…
…01000010000101
322112100212011221
413103001002011
5222320103402
620052000341
73014412406
oct723010205
9275325157
10122425477
1163119089
12350000b1
131c495c15
141238b9ad
15ab34337
hex74c1085

122425477 has 2 divisors, whose sum is σ = 122425478. Its totient is φ = 122425476.

The previous prime is 122425447. The next prime is 122425487. The reversal of 122425477 is 774524221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109851361 + 12574116 = 10481^2 + 3546^2 .

It is a cyclic number.

It is not a de Polignac number, because 122425477 - 211 = 122423429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122425427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61212738 + 61212739.

It is an arithmetic number, because the mean of its divisors is an integer number (61212739).

Almost surely, 2122425477 is an apocalyptic number.

It is an amenable number.

122425477 is a deficient number, since it is larger than the sum of its proper divisors (1).

122425477 is an equidigital number, since it uses as much as digits as its factorization.

122425477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31360, while the sum is 34.

The square root of 122425477 is about 11064.6046924416. The cubic root of 122425477 is about 496.5434624260.

Adding to 122425477 its reverse (774524221), we get a palindrome (896949698).

The spelling of 122425477 in words is "one hundred twenty-two million, four hundred twenty-five thousand, four hundred seventy-seven".