120443251 has 12 divisors (see below), whose sum is σ = 125200488. Its totient is φ = 115852032.

The previous prime is 120443243. The next prime is 120443269. The reversal of 120443251 is 152344021.

It is not a de Polignac number, because 120443251 - 2³ = 120443243 is a prime.

It is a super-2 number, since 2×120443251² = 29013153422898002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120444251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132340 + ... + 133246.

It is an arithmetic number, because the mean of its divisors is an integer number (10433374).

Almost surely, 2^120443251 is an apocalyptic number.

120443251 is a deficient number, since it is larger than the sum of its proper divisors (4757237).

120443251 is an frugal number, since it uses more digits than its factorization.

120443251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078 (or 1041 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 120443251 is about 10974.6640495279. The cubic root of 120443251 is about 493.8489747429.

Adding to 120443251 its reverse (152344021), we get a palindrome (272787272).

The spelling of 120443251 in words is "one hundred twenty million, four hundred forty-three thousand, two hundred fifty-one".