750060121 has 4 divisors (see below), whose sum is σ = 754837732. Its totient is φ = 745282512.

The previous prime is 750060119. The next prime is 750060149. The reversal of 750060121 is 121060057.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121060057 = 911 ⋅132887.

It can be written as a sum of positive squares in 2 ways, for example, as 63043600 + 687016521 = 7940^2 + 26211^2 .

It is a cyclic number.

It is not a de Polignac number, because 750060121 - 2¹ = 750060119 is a prime.

It is a super-2 number, since 2×750060121² = 1125180370229069282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 750060092 and 750060101.

It is not an unprimeable number, because it can be changed into a prime (750060151) by changing a digit.

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, 2388570 + ... + 2388883.

It is an arithmetic number, because the mean of its divisors is an integer number (188709433).

Almost surely, 2^750060121 is an apocalyptic number.

It is an amenable number.

750060121 is a deficient number, since it is larger than the sum of its proper divisors (4777611).

750060121 is a wasteful number, since it uses less digits than its factorization.

750060121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4777610.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 750060121 is about 27387.2255075245. The cubic root of 750060121 is about 908.5845729023.

The spelling of 750060121 in words is "seven hundred fifty million, sixty thousand, one hundred twenty-one".