7021125147 has 8 divisors (see below), whose sum is σ = 9364217344. Its totient is φ = 4679391528.

The previous prime is 7021125031. The next prime is 7021125173. The reversal of 7021125147 is 7415211207.

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

It is not a de Polignac number, because 7021125147 - 2¹¹ = 7021123099 is a prime.

It is a super-3 number, since 3×7021125147³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7021125547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327523 + ... + 348300.

It is an arithmetic number, because the mean of its divisors is an integer number (1170527168).

Almost surely, 2^7021125147 is an apocalyptic number.

7021125147 is a deficient number, since it is larger than the sum of its proper divisors (2343092197).

7021125147 is a wasteful number, since it uses less digits than its factorization.

7021125147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679289.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 7021125147 is about 83792.1544477763. The cubic root of 7021125147 is about 1914.8535812810.

The spelling of 7021125147 in words is "seven billion, twenty-one million, one hundred twenty-five thousand, one hundred forty-seven".