7421123152 has 80 divisors (see below), whose sum is σ = 15679085760. Its totient is φ = 3388483584.

The previous prime is 7421123119. The next prime is 7421123159. The reversal of 7421123152 is 2513211247.

It is a self number, because there is not a number n which added to its sum of digits gives 7421123152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7421123159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4699099 + ... + 4700677.

It is an arithmetic number, because the mean of its divisors is an integer number (195988572).

Almost surely, 2^7421123152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7421123152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7839542880).

7421123152 is an abundant number, since it is smaller than the sum of its proper divisors (8257962608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7421123152 is a wasteful number, since it uses less digits than its factorization.

7421123152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108 (or 2102 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 7421123152 is about 86145.9410071072. The cubic root of 7421123152 is about 1950.5475693901.

Adding to 7421123152 its reverse (2513211247), we get a palindrome (9934334399).

The spelling of 7421123152 in words is "seven billion, four hundred twenty-one million, one hundred twenty-three thousand, one hundred fifty-two".