117052421 has 2 divisors, whose sum is σ = 117052422. Its totient is φ = 117052420.

The previous prime is 117052379. The next prime is 117052447. The reversal of 117052421 is 124250711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80013025 + 37039396 = 8945^2 + 6086^2 .

It is a cyclic number.

It is not a de Polignac number, because 117052421 - 2⁶ = 117052357 is a prime.

It is a super-2 number, since 2×117052421² = 27402538523922482, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117052121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58526210 + 58526211.

It is an arithmetic number, because the mean of its divisors is an integer number (58526211).

Almost surely, 2^117052421 is an apocalyptic number.

It is an amenable number.

117052421 is a deficient number, since it is larger than the sum of its proper divisors (1).

117052421 is an equidigital number, since it uses as much as digits as its factorization.

117052421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 117052421 is about 10819.0767166150. The cubic root of 117052421 is about 489.1703592454.

The spelling of 117052421 in words is "one hundred seventeen million, fifty-two thousand, four hundred twenty-one".