7122596421 has 8 divisors (see below), whose sum is σ = 9505733440. Its totient is φ = 4743928512.

The previous prime is 7122596401. The next prime is 7122596423. The reversal of 7122596421 is 1246952217.

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

It is not a de Polignac number, because 7122596421 - 2⁷ = 7122596293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7122596421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7122596423) 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, 1113556 + ... + 1119933.

It is an arithmetic number, because the mean of its divisors is an integer number (1188216680).

Almost surely, 2^7122596421 is an apocalyptic number.

It is an amenable number.

7122596421 is a deficient number, since it is larger than the sum of its proper divisors (2383137019).

7122596421 is a wasteful number, since it uses less digits than its factorization.

7122596421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234555.

The product of its digits is 60480, while the sum is 39.

The square root of 7122596421 is about 84395.4763064941. The cubic root of 7122596421 is about 1924.0341629048.

The spelling of 7122596421 in words is "seven billion, one hundred twenty-two million, five hundred ninety-six thousand, four hundred twenty-one".