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122003431087 is a prime number
BaseRepresentation
bin111000110011111111…
…0001001111010101111
3102122220121222110021211
41301213332021322233
53444330334243322
6132014140535251
711546234024236
oct1614776117257
9378817873254
10122003431087
114781783559a
121b78a851527
13b674293355
145c95455b1d
153290ce4b77
hex1c67f89eaf

122003431087 has 2 divisors, whose sum is σ = 122003431088. Its totient is φ = 122003431086.

The previous prime is 122003431051. The next prime is 122003431139. The reversal of 122003431087 is 780134300221.

It is a weak prime.

It is an emirp because it is prime and its reverse (780134300221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122003431087 - 211 = 122003429039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122003431387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61001715543 + 61001715544.

It is an arithmetic number, because the mean of its divisors is an integer number (61001715544).

Almost surely, 2122003431087 is an apocalyptic number.

122003431087 is a deficient number, since it is larger than the sum of its proper divisors (1).

122003431087 is an equidigital number, since it uses as much as digits as its factorization.

122003431087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 122003431087 in words is "one hundred twenty-two billion, three million, four hundred thirty-one thousand, eighty-seven".