121440214 has 16 divisors (see below), whose sum is σ = 220429728. Its totient is φ = 48984192.

The previous prime is 121440199. The next prime is 121440239. The reversal of 121440214 is 412044121.

It is a junction number, because it is equal to n+sod(n) for n = 121440191 and 121440200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254889 + ... + 255364.

It is an arithmetic number, because the mean of its divisors is an integer number (13776858).

Almost surely, 2^121440214 is an apocalyptic number.

121440214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121440214 is a deficient number, since it is larger than the sum of its proper divisors (98989514).

121440214 is a wasteful number, since it uses less digits than its factorization.

121440214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510279.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 121440214 is about 11019.9915607953. The cubic root of 121440214 is about 495.2078357248.

Adding to 121440214 its reverse (412044121), we get a palindrome (533484335).

The spelling of 121440214 in words is "one hundred twenty-one million, four hundred forty thousand, two hundred fourteen".