117543001 has 2 divisors, whose sum is σ = 117543002. Its totient is φ = 117543000.

The previous prime is 117542993. The next prime is 117543017. The reversal of 117543001 is 100345711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104755225 + 12787776 = 10235^2 + 3576^2 .

It is a cyclic number.

It is not a de Polignac number, because 117543001 - 2³ = 117542993 is a prime.

It is not a weakly prime, because it can be changed into another prime (117543091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58771500 + 58771501.

It is an arithmetic number, because the mean of its divisors is an integer number (58771501).

Almost surely, 2^117543001 is an apocalyptic number.

It is an amenable number.

117543001 is a deficient number, since it is larger than the sum of its proper divisors (1).

117543001 is an equidigital number, since it uses as much as digits as its factorization.

117543001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 117543001 is about 10841.7250011241. The cubic root of 117543001 is about 489.8527962652.

Adding to 117543001 its reverse (100345711), we get a palindrome (217888712).

The spelling of 117543001 in words is "one hundred seventeen million, five hundred forty-three thousand, one".