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122041819 is a prime number
BaseRepresentation
bin1110100011000…
…11010111011011
322111122100220101
413101203113123
5222220314234
620035440231
73011224024
oct721432733
9274570811
10122041819
1162986909
1234a56077
131c3903c3
14122cbc4b
15aaaa814
hex74635db

122041819 has 2 divisors, whose sum is σ = 122041820. Its totient is φ = 122041818.

The previous prime is 122041817. The next prime is 122041837. The reversal of 122041819 is 918140221.

It is a weak prime.

It is an emirp because it is prime and its reverse (918140221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122041819 - 21 = 122041817 is a prime.

It is a super-2 number, since 2×1220418192 = 29788411169657522, which contains 22 as substring.

Together with 122041817, it forms a pair of twin primes.

It is equal to p6951304 and since 122041819 and 6951304 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (122041817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61020909 + 61020910.

It is an arithmetic number, because the mean of its divisors is an integer number (61020910).

Almost surely, 2122041819 is an apocalyptic number.

122041819 is a deficient number, since it is larger than the sum of its proper divisors (1).

122041819 is an equidigital number, since it uses as much as digits as its factorization.

122041819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 122041819 is about 11047.2539121720. The cubic root of 122041819 is about 496.0242289478.

The spelling of 122041819 in words is "one hundred twenty-two million, forty-one thousand, eight hundred nineteen".