151121075 has 48 divisors (see below), whose sum is σ = 229985280. Its totient is φ = 96145920.

The previous prime is 151121011. The next prime is 151121081. The reversal of 151121075 is 570121151.

It is not a de Polignac number, because 151121075 - 2⁶ = 151121011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 151121075.

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 47 ways as a sum of consecutive naturals, for example, 234704 + ... + 235346.

It is an arithmetic number, because the mean of its divisors is an integer number (4791360).

Almost surely, 2^151121075 is an apocalyptic number.

151121075 is a deficient number, since it is larger than the sum of its proper divisors (78864205).

151121075 is a wasteful number, since it uses less digits than its factorization.

151121075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 23.

The square root of 151121075 is about 12293.1312121851. The cubic root of 151121075 is about 532.6496893786.

The spelling of 151121075 in words is "one hundred fifty-one million, one hundred twenty-one thousand, seventy-five".