117402541 has 2 divisors, whose sum is σ = 117402542. Its totient is φ = 117402540.

The previous prime is 117402533. The next prime is 117402581. The reversal of 117402541 is 145204711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90060100 + 27342441 = 9490^2 + 5229^2 .

It is a cyclic number.

It is not a de Polignac number, because 117402541 - 2³ = 117402533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117402521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58701270 + 58701271.

It is an arithmetic number, because the mean of its divisors is an integer number (58701271).

Almost surely, 2^117402541 is an apocalyptic number.

It is an amenable number.

117402541 is a deficient number, since it is larger than the sum of its proper divisors (1).

117402541 is an equidigital number, since it uses as much as digits as its factorization.

117402541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 117402541 is about 10835.2453133282. The cubic root of 117402541 is about 489.6575991945.

The spelling of 117402541 in words is "one hundred seventeen million, four hundred two thousand, five hundred forty-one".