121496055 has 16 divisors (see below), whose sum is σ = 195416064. Its totient is φ = 64457120.

The previous prime is 121496003. The next prime is 121496057. The reversal of 121496055 is 550694121.

It is not a de Polignac number, because 121496055 - 2¹¹ = 121494007 is a prime.

It is a super-2 number, since 2×121496055² = 29522582761126050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121496057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18339 + ... + 24068.

It is an arithmetic number, because the mean of its divisors is an integer number (12213504).

Almost surely, 2^121496055 is an apocalyptic number.

121496055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121496055 is a deficient number, since it is larger than the sum of its proper divisors (73920009).

121496055 is a wasteful number, since it uses less digits than its factorization.

121496055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42606.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 121496055 is about 11022.5248922377. The cubic root of 121496055 is about 495.2837267400.

The spelling of 121496055 in words is "one hundred twenty-one million, four hundred ninety-six thousand, fifty-five".