121028063 has 16 divisors (see below), whose sum is σ = 133021056. Its totient is φ = 109438560.

The previous prime is 121028053. The next prime is 121028071. The reversal of 121028063 is 360820121.

It is a cyclic number.

It is not a de Polignac number, because 121028063 - 2²⁰ = 119979487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121028053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246248 + ... + 246738.

It is an arithmetic number, because the mean of its divisors is an integer number (8313816).

Almost surely, 2^121028063 is an apocalyptic number.

121028063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121028063 is a deficient number, since it is larger than the sum of its proper divisors (11992993).

121028063 is a wasteful number, since it uses less digits than its factorization.

121028063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 121028063 is about 11001.2755169571. The cubic root of 121028063 is about 494.6469788490.

Adding to 121028063 its reverse (360820121), we get a palindrome (481848184).

The spelling of 121028063 in words is "one hundred twenty-one million, twenty-eight thousand, sixty-three".