122553663 has 8 divisors (see below), whose sum is σ = 173017008. Its totient is φ = 76896384.

The previous prime is 122553661. The next prime is 122553707. The reversal of 122553663 is 366355221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122553663 - 2¹ = 122553661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122553661) 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, 1201456 + ... + 1201557.

It is an arithmetic number, because the mean of its divisors is an integer number (21627126).

Almost surely, 2^122553663 is an apocalyptic number.

122553663 is a deficient number, since it is larger than the sum of its proper divisors (50463345).

122553663 is a wasteful number, since it uses less digits than its factorization.

122553663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403033.

The product of its digits is 32400, while the sum is 33.

The square root of 122553663 is about 11070.3957923825. The cubic root of 122553663 is about 496.7167044662.

The spelling of 122553663 in words is "one hundred twenty-two million, five hundred fifty-three thousand, six hundred sixty-three".