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117415121 is a prime number
BaseRepresentation
bin1101111111110…
…01110011010001
322011221022021012
412333321303101
5220024240441
615352340305
72624004065
oct677716321
9264838235
10117415121
116030679a
12333a4695
131b430505
1411845aa5
15a4949eb
hex6ff9cd1

117415121 has 2 divisors, whose sum is σ = 117415122. Its totient is φ = 117415120.

The previous prime is 117415099. The next prime is 117415139. The reversal of 117415121 is 121514711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114725521 + 2689600 = 10711^2 + 1640^2 .

It is a cyclic number.

It is not a de Polignac number, because 117415121 - 214 = 117398737 is a prime.

It is not a weakly prime, because it can be changed into another prime (117412121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58707560 + 58707561.

It is an arithmetic number, because the mean of its divisors is an integer number (58707561).

Almost surely, 2117415121 is an apocalyptic number.

It is an amenable number.

117415121 is a deficient number, since it is larger than the sum of its proper divisors (1).

117415121 is an equidigital number, since it uses as much as digits as its factorization.

117415121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 280, while the sum is 23.

The square root of 117415121 is about 10835.8258107077. The cubic root of 117415121 is about 489.6750879489.

Adding to 117415121 its reverse (121514711), we get a palindrome (238929832).

The spelling of 117415121 in words is "one hundred seventeen million, four hundred fifteen thousand, one hundred twenty-one".