121504354 has 16 divisors (see below), whose sum is σ = 200191680. Its totient is φ = 55051920.

The previous prime is 121504351. The next prime is 121504367. The reversal of 121504354 is 453405121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121504351) 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, 68637 + ... + 70384.

It is an arithmetic number, because the mean of its divisors is an integer number (12511980).

Almost surely, 2^121504354 is an apocalyptic number.

121504354 is a deficient number, since it is larger than the sum of its proper divisors (78687326).

121504354 is a wasteful number, since it uses less digits than its factorization.

121504354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139065.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 121504354 is about 11022.9013422057. The cubic root of 121504354 is about 495.2950035562.

Adding to 121504354 its reverse (453405121), we get a palindrome (574909475).

The spelling of 121504354 in words is "one hundred twenty-one million, five hundred four thousand, three hundred fifty-four".