121132078 has 8 divisors (see below), whose sum is σ = 182702520. Its totient is φ = 60231240.

The previous prime is 121132073. The next prime is 121132079. The reversal of 121132078 is 870231121.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121132073) 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 3 ways as a sum of consecutive naturals, for example, 166948 + ... + 167671.

It is an arithmetic number, because the mean of its divisors is an integer number (22837815).

Almost surely, 2^121132078 is an apocalyptic number.

121132078 is a deficient number, since it is larger than the sum of its proper divisors (61570442).

121132078 is a wasteful number, since it uses less digits than its factorization.

121132078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334802.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 121132078 is about 11006.0019080500. The cubic root of 121132078 is about 494.7886428892.

Adding to 121132078 its reverse (870231121), we get a palindrome (991363199).

The spelling of 121132078 in words is "one hundred twenty-one million, one hundred thirty-two thousand, seventy-eight".