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122002117 is a prime number
BaseRepresentation
bin1110100010110…
…01101011000101
322111120100102221
413101121223011
5222213031432
620034532341
73011000206
oct721315305
9274510387
10122002117
1162959aa6
1234a370b1
131c378303
14122bb5ad
15aa9db97
hex7459ac5

122002117 has 2 divisors, whose sum is σ = 122002118. Its totient is φ = 122002116.

The previous prime is 122002103. The next prime is 122002121. The reversal of 122002117 is 711200221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117310561 + 4691556 = 10831^2 + 2166^2 .

It is a cyclic number.

It is not a de Polignac number, because 122002117 - 211 = 122000069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122002117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122002187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61001058 + 61001059.

It is an arithmetic number, because the mean of its divisors is an integer number (61001059).

Almost surely, 2122002117 is an apocalyptic number.

It is an amenable number.

122002117 is a deficient number, since it is larger than the sum of its proper divisors (1).

122002117 is an equidigital number, since it uses as much as digits as its factorization.

122002117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 122002117 is about 11045.4568488587. The cubic root of 122002117 is about 495.9704351199.

Adding to 122002117 its reverse (711200221), we get a palindrome (833202338).

The spelling of 122002117 in words is "one hundred twenty-two million, two thousand, one hundred seventeen".