121165226 has 48 divisors (see below), whose sum is σ = 227997504. Its totient is φ = 47279232.

The previous prime is 121165217. The next prime is 121165229. The reversal of 121165226 is 622561121.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 121165195 and 121165204.

It is not an unprimeable number, because it can be changed into a prime (121165229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196070 + ... + 196686.

It is an arithmetic number, because the mean of its divisors is an integer number (4749948).

Almost surely, 2^121165226 is an apocalyptic number.

121165226 is a deficient number, since it is larger than the sum of its proper divisors (106832278).

121165226 is a wasteful number, since it uses less digits than its factorization.

121165226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735 (or 722 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 121165226 is about 11007.5077106491. The cubic root of 121165226 is about 494.8337720252.

The spelling of 121165226 in words is "one hundred twenty-one million, one hundred sixty-five thousand, two hundred twenty-six".