750142021 has 8 divisors (see below), whose sum is σ = 790500800. Its totient is φ = 709871040.

The previous prime is 750141967. The next prime is 750142069. The reversal of 750142021 is 120241057.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 750142021 - 2¹⁷ = 750010949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 750141983 and 750142001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (750142621) 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 7 ways as a sum of consecutive naturals, for example, 4020 + ... + 38941.

It is an arithmetic number, because the mean of its divisors is an integer number (98812600).

Almost surely, 2^750142021 is an apocalyptic number.

It is an amenable number.

750142021 is a deficient number, since it is larger than the sum of its proper divisors (40358779).

750142021 is a wasteful number, since it uses less digits than its factorization.

750142021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43899.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 750142021 is about 27388.7206893641. The cubic root of 750142021 is about 908.6176415263.

Adding to 750142021 its reverse (120241057), we get a palindrome (870383078).

The spelling of 750142021 in words is "seven hundred fifty million, one hundred forty-two thousand, twenty-one".