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122302253 is a prime number
BaseRepresentation
bin1110100101000…
…10111100101101
322112010121011002
413102202330231
5222302133003
620045210045
73013360223
oct722427455
9275117132
10122302253
1163044547
1234b60925
131c451ac8
1412358b13
15ab0ca88
hex74a2f2d

122302253 has 2 divisors, whose sum is σ = 122302254. Its totient is φ = 122302252.

The previous prime is 122302237. The next prime is 122302261. The reversal of 122302253 is 352203221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70778569 + 51523684 = 8413^2 + 7178^2 .

It is an emirp because it is prime and its reverse (352203221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122302253 - 24 = 122302237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122302153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61151126 + 61151127.

It is an arithmetic number, because the mean of its divisors is an integer number (61151127).

Almost surely, 2122302253 is an apocalyptic number.

It is an amenable number.

122302253 is a deficient number, since it is larger than the sum of its proper divisors (1).

122302253 is an equidigital number, since it uses as much as digits as its factorization.

122302253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 122302253 is about 11059.0349036433. The cubic root of 122302253 is about 496.3768124416.

Adding to 122302253 its reverse (352203221), we get a palindrome (474505474).

The spelling of 122302253 in words is "one hundred twenty-two million, three hundred two thousand, two hundred fifty-three".