117520757 has 4 divisors (see below), whose sum is σ = 123706080. Its totient is φ = 111335436.

The previous prime is 117520723. The next prime is 117520759. The reversal of 117520757 is 757025711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 757025711 = 13 ⋅58232747.

It is a cyclic number.

It is not a de Polignac number, because 117520757 - 2⁶ = 117520693 is a prime.

It is a super-2 number, since 2×117520757² = 27622256651706098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117520759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3092633 + ... + 3092670.

It is an arithmetic number, because the mean of its divisors is an integer number (30926520).

Almost surely, 2^117520757 is an apocalyptic number.

It is an amenable number.

117520757 is a deficient number, since it is larger than the sum of its proper divisors (6185323).

117520757 is an equidigital number, since it uses as much as digits as its factorization.

117520757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6185322.

The product of its (nonzero) digits is 17150, while the sum is 35.

The square root of 117520757 is about 10840.6991010728. The cubic root of 117520757 is about 489.8218941757.

The spelling of 117520757 in words is "one hundred seventeen million, five hundred twenty thousand, seven hundred fifty-seven".