75180122 has 8 divisors (see below), whose sum is σ = 116658900. Its totient is φ = 36293824.

The previous prime is 75180107. The next prime is 75180139. The reversal of 75180122 is 22108157.

It can be written as a sum of positive squares in 2 ways, for example, as 75151561 + 28561 = 8669^2 + 169^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 75180091 and 75180100.

It is an unprimeable number.

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, 648047 + ... + 648162.

Almost surely, 2^75180122 is an apocalyptic number.

75180122 is a deficient number, since it is larger than the sum of its proper divisors (41478778).

75180122 is a wasteful number, since it uses less digits than its factorization.

75180122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296240.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 75180122 is about 8670.6471500114. The cubic root of 75180122 is about 422.0536644765.

Adding to 75180122 its reverse (22108157), we get a palindrome (97288279).

The spelling of 75180122 in words is "seventy-five million, one hundred eighty thousand, one hundred twenty-two".