117420549 has 8 divisors (see below), whose sum is σ = 156988800. Its totient is φ = 78066336.

The previous prime is 117420533. The next prime is 117420553. The reversal of 117420549 is 945024711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117420549 - 2⁴ = 117420533 is a prime.

It is a super-2 number, since 2×117420549² = 27575170654922802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117420509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52224 + ... + 54425.

It is an arithmetic number, because the mean of its divisors is an integer number (19623600).

Almost surely, 2^117420549 is an apocalyptic number.

It is an amenable number.

117420549 is a deficient number, since it is larger than the sum of its proper divisors (39568251).

117420549 is a wasteful number, since it uses less digits than its factorization.

117420549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107019.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 117420549 is about 10836.0762732642. The cubic root of 117420549 is about 489.6826335852.

The spelling of 117420549 in words is "one hundred seventeen million, four hundred twenty thousand, five hundred forty-nine".