115720007 has 8 divisors (see below), whose sum is σ = 124813584. Its totient is φ = 106653888.

The previous prime is 115719991. The next prime is 115720019. The reversal of 115720007 is 700027511.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 115720007 - 2⁴ = 115719991 is a prime.

It is a super-2 number, since 2×115720007² = 26782240040160098, 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 (115720027) 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, 2363 + ... + 15395.

It is an arithmetic number, because the mean of its divisors is an integer number (15601698).

Almost surely, 2^115720007 is an apocalyptic number.

115720007 is a deficient number, since it is larger than the sum of its proper divisors (9093577).

115720007 is a wasteful number, since it uses less digits than its factorization.

115720007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13729.

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 115720007 is about 10757.3234124479. The cubic root of 115720007 is about 487.3071875680.

Adding to 115720007 its reverse (700027511), we get a palindrome (815747518).

The spelling of 115720007 in words is "one hundred fifteen million, seven hundred twenty thousand, seven".