121394026 has 16 divisors (see below), whose sum is σ = 199315368. Its totient is φ = 55108800.

The previous prime is 121393999. The next prime is 121394027. The reversal of 121394026 is 620493121.

It can be written as a sum of positive squares in 4 ways, for example, as 29713401 + 91680625 = 5451^2 + 9575^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121393985 and 121394003.

It is not an unprimeable number, because it can be changed into a prime (121394027) 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, 36685 + ... + 39856.

Almost surely, 2^121394026 is an apocalyptic number.

121394026 is a deficient number, since it is larger than the sum of its proper divisors (77921342).

121394026 is a wasteful number, since it uses less digits than its factorization.

121394026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76617.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 121394026 is about 11017.8957156074. The cubic root of 121394026 is about 495.1450460905.

The spelling of 121394026 in words is "one hundred twenty-one million, three hundred ninety-four thousand, twenty-six".