75120107 has 4 divisors (see below), whose sum is σ = 75570096. Its totient is φ = 74670120.

The previous prime is 75120079. The next prime is 75120113. The reversal of 75120107 is 70102157.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70102157 = 191 ⋅367027.

It is a cyclic number.

It is not a de Polignac number, because 75120107 - 2⁶ = 75120043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75120007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224744 + ... + 225077.

It is an arithmetic number, because the mean of its divisors is an integer number (18892524).

Almost surely, 2^75120107 is an apocalyptic number.

75120107 is a deficient number, since it is larger than the sum of its proper divisors (449989).

75120107 is a wasteful number, since it uses less digits than its factorization.

75120107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449988.

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

The square root of 75120107 is about 8667.1856447177. The cubic root of 75120107 is about 421.9413285157.

The spelling of 75120107 in words is "seventy-five million, one hundred twenty thousand, one hundred seven".