120221426 has 16 divisors (see below), whose sum is σ = 194775000. Its totient is φ = 55323648.

The previous prime is 120221419. The next prime is 120221429. The reversal of 120221426 is 624122021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 82828201 + 37393225 = 9101^2 + 6115^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120221398 and 120221407.

It is not an unprimeable number, because it can be changed into a prime (120221429) 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, 2450 + ... + 15698.

Almost surely, 2^120221426 is an apocalyptic number.

120221426 is a deficient number, since it is larger than the sum of its proper divisors (74553574).

120221426 is a wasteful number, since it uses less digits than its factorization.

120221426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13613.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 120221426 is about 10964.5531600700. The cubic root of 120221426 is about 493.5456081649.

Adding to 120221426 its reverse (624122021), we get a palindrome (744343447).

The spelling of 120221426 in words is "one hundred twenty million, two hundred twenty-one thousand, four hundred twenty-six".