7242120426 has 16 divisors (see below), whose sum is σ = 14508673344. Its totient is φ = 2409968064.

The previous prime is 7242120419. The next prime is 7242120433. The reversal of 7242120426 is 6240212427.

7242120426 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7242120419) and next prime (7242120433).

It is a junction number, because it is equal to n+sod(n) for n = 7242120393 and 7242120402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014166 + ... + 1021281.

It is an arithmetic number, because the mean of its divisors is an integer number (906792084).

Almost surely, 2^7242120426 is an apocalyptic number.

7242120426 is an abundant number, since it is smaller than the sum of its proper divisors (7266552918).

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

7242120426 is a wasteful number, since it uses less digits than its factorization.

7242120426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036045.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 7242120426 is about 85100.6487989369. The cubic root of 7242120426 is about 1934.7368969704.

The spelling of 7242120426 in words is "seven billion, two hundred forty-two million, one hundred twenty thousand, four hundred twenty-six".