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122422141 is a prime number
BaseRepresentation
bin1110100110000…
…00001101111101
322112100200121101
413103000031331
5222320002031
620051533101
73014366602
oct723001575
9275320541
10122422141
1163116626
1234bba191
131c49454a
141238a6a9
15ab33361
hex74c037d

122422141 has 2 divisors, whose sum is σ = 122422142. Its totient is φ = 122422140.

The previous prime is 122422099. The next prime is 122422147. The reversal of 122422141 is 141224221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64738116 + 57684025 = 8046^2 + 7595^2 .

It is a cyclic number.

It is not a de Polignac number, because 122422141 - 215 = 122389373 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122422147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61211070 + 61211071.

It is an arithmetic number, because the mean of its divisors is an integer number (61211071).

Almost surely, 2122422141 is an apocalyptic number.

It is an amenable number.

122422141 is a deficient number, since it is larger than the sum of its proper divisors (1).

122422141 is an equidigital number, since it uses as much as digits as its factorization.

122422141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 256, while the sum is 19.

The square root of 122422141 is about 11064.4539404347. The cubic root of 122422141 is about 496.5389522427.

Adding to 122422141 its reverse (141224221), we get a palindrome (263646362).

The spelling of 122422141 in words is "one hundred twenty-two million, four hundred twenty-two thousand, one hundred forty-one".