121604434 has 16 divisors (see below), whose sum is σ = 220727808. Its totient is φ = 49050432.

The previous prime is 121604423. The next prime is 121604437. The reversal of 121604434 is 434406121.

It is a junction number, because it is equal to n+sod(n) for n = 121604399 and 121604408.

It is not an unprimeable number, because it can be changed into a prime (121604437) 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, 255234 + ... + 255709.

It is an arithmetic number, because the mean of its divisors is an integer number (13795488).

Almost surely, 2^121604434 is an apocalyptic number.

121604434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121604434 is a deficient number, since it is larger than the sum of its proper divisors (99123374).

121604434 is a wasteful number, since it uses less digits than its factorization.

121604434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510969.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 121604434 is about 11027.4400474453. The cubic root of 121604434 is about 495.4309534734.

The spelling of 121604434 in words is "one hundred twenty-one million, six hundred four thousand, four hundred thirty-four".