121439366 has 8 divisors (see below), whose sum is σ = 182280000. Its totient is φ = 60679368.

The previous prime is 121439341. The next prime is 121439371. The reversal of 121439366 is 663934121.

It is a happy number.

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

It is a super-2 number, since 2×121439366² = 29495039228963912, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16241 + ... + 22508.

It is an arithmetic number, because the mean of its divisors is an integer number (22785000).

Almost surely, 2^121439366 is an apocalyptic number.

121439366 is a deficient number, since it is larger than the sum of its proper divisors (60840634).

121439366 is a wasteful number, since it uses less digits than its factorization.

121439366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40318.

The product of its digits is 23328, while the sum is 35.

The square root of 121439366 is about 11019.9530851996. The cubic root of 121439366 is about 495.2066830665.

The spelling of 121439366 in words is "one hundred twenty-one million, four hundred thirty-nine thousand, three hundred sixty-six".