120891226 has 8 divisors (see below), whose sum is σ = 181392480. Its totient is φ = 60427068.

The previous prime is 120891209. The next prime is 120891229. The reversal of 120891226 is 622198021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×120891226² = 29229377047566152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120891229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275 + ... + 15601.

It is an arithmetic number, because the mean of its divisors is an integer number (22674060).

Almost surely, 2^120891226 is an apocalyptic number.

120891226 is a deficient number, since it is larger than the sum of its proper divisors (60501254).

120891226 is a wasteful number, since it uses less digits than its factorization.

120891226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18548.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 120891226 is about 10995.0546155988. The cubic root of 120891226 is about 494.4604889499.

The spelling of 120891226 in words is "one hundred twenty million, eight hundred ninety-one thousand, two hundred twenty-six".