121116410 has 16 divisors (see below), whose sum is σ = 218139912. Its totient is φ = 48417600.

The previous prime is 121116409. The next prime is 121116427. The reversal of 121116410 is 14611121.

It can be written as a sum of positive squares in 4 ways, for example, as 106729561 + 14386849 = 10331^2 + 3793^2 .

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, 23900 + ... + 28520.

Almost surely, 2^121116410 is an apocalyptic number.

121116410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121116410 is a deficient number, since it is larger than the sum of its proper divisors (97023502).

121116410 is a wasteful number, since it uses less digits than its factorization.

121116410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7249.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 121116410 is about 11005.2900915878. The cubic root of 121116410 is about 494.7673089237.

Adding to 121116410 its reverse (14611121), we get a palindrome (135727531).

The spelling of 121116410 in words is "one hundred twenty-one million, one hundred sixteen thousand, four hundred ten".