121603622 has 64 divisors (see below), whose sum is σ = 227985408. Its totient is φ = 47520000.

The previous prime is 121603609. The next prime is 121603679. The reversal of 121603622 is 226306121.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

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, 805247 + ... + 805397.

It is an arithmetic number, because the mean of its divisors is an integer number (3562272).

Almost surely, 2^121603622 is an apocalyptic number.

121603622 is a deficient number, since it is larger than the sum of its proper divisors (106381786).

121603622 is a wasteful number, since it uses less digits than its factorization.

121603622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 121603622 is about 11027.4032301354. The cubic root of 121603622 is about 495.4298507427.

Adding to 121603622 its reverse (226306121), we get a palindrome (347909743).

The spelling of 121603622 in words is "one hundred twenty-one million, six hundred three thousand, six hundred twenty-two".