750121145 has 8 divisors (see below), whose sum is σ = 906622080. Its totient is φ = 595779120.

The previous prime is 750121129. The next prime is 750121157. The reversal of 750121145 is 541121057.

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

It is not a de Polignac number, because 750121145 - 2⁴ = 750121129 is a prime.

It is a super-2 number, since 2×750121145² = 1125363464352222050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 538961 + ... + 540350.

It is an arithmetic number, because the mean of its divisors is an integer number (113327760).

Almost surely, 2^750121145 is an apocalyptic number.

It is an amenable number.

750121145 is a deficient number, since it is larger than the sum of its proper divisors (156500935).

750121145 is a wasteful number, since it uses less digits than its factorization.

750121145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079455.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 750121145 is about 27388.3395809238. The cubic root of 750121145 is about 908.6092126878.

The spelling of 750121145 in words is "seven hundred fifty million, one hundred twenty-one thousand, one hundred forty-five".