121005354 has 64 divisors (see below), whose sum is σ = 268240896. Its totient is φ = 36228864.

The previous prime is 121005349. The next prime is 121005383. The reversal of 121005354 is 453500121.

It is a self number, because there is not a number n which added to its sum of digits gives 121005354.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205849 + ... + 206435.

It is an arithmetic number, because the mean of its divisors is an integer number (4191264).

Almost surely, 2^121005354 is an apocalyptic number.

121005354 is an abundant number, since it is smaller than the sum of its proper divisors (147235542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121005354 is a wasteful number, since it uses less digits than its factorization.

121005354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 121005354 is about 11000.2433609443. The cubic root of 121005354 is about 494.6160393556.

Adding to 121005354 its reverse (453500121), we get a palindrome (574505475).

The spelling of 121005354 in words is "one hundred twenty-one million, five thousand, three hundred fifty-four".