121867077 has 16 divisors (see below), whose sum is σ = 169992000. Its totient is φ = 77556864.

The previous prime is 121867063. The next prime is 121867079. The reversal of 121867077 is 770768121.

It is not a de Polignac number, because 121867077 - 2⁴ = 121867061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121867079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127 + ... + 15612.

It is an arithmetic number, because the mean of its divisors is an integer number (10624500).

Almost surely, 2^121867077 is an apocalyptic number.

It is an amenable number.

121867077 is a deficient number, since it is larger than the sum of its proper divisors (48124923).

121867077 is a wasteful number, since it uses less digits than its factorization.

121867077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15860.

The product of its (nonzero) digits is 32928, while the sum is 39.

The square root of 121867077 is about 11039.3422358400. The cubic root of 121867077 is about 495.7873766192.

The spelling of 121867077 in words is "one hundred twenty-one million, eight hundred sixty-seven thousand, seventy-seven".