7399122120 has 256 divisors, whose sum is σ = 27959904000. Its totient is φ = 1725401088.

The previous prime is 7399122119. The next prime is 7399122121. The reversal of 7399122120 is 212219937.

It is an interprime number because it is at equal distance from previous prime (7399122119) and next prime (7399122121).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7399122121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 252892 + ... + 280628.

It is an arithmetic number, because the mean of its divisors is an integer number (109218375).

Almost surely, 2^7399122120 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 7399122120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13979952000).

7399122120 is an abundant number, since it is smaller than the sum of its proper divisors (20560781880).

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

7399122120 is a wasteful number, since it uses less digits than its factorization.

7399122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27789 (or 27779 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 7399122120 is about 86018.1499452296. The cubic root of 7399122120 is about 1948.6180978449.

The spelling of 7399122120 in words is "seven billion, three hundred ninety-nine million, one hundred twenty-two thousand, one hundred twenty".