121848378 has 16 divisors (see below), whose sum is σ = 248295456. Its totient is φ = 39849680.

The previous prime is 121848371. The next prime is 121848403. The reversal of 121848378 is 873848121.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121848371) 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, 191268 + ... + 191903.

It is an arithmetic number, because the mean of its divisors is an integer number (15518466).

Almost surely, 2^121848378 is an apocalyptic number.

121848378 is an abundant number, since it is smaller than the sum of its proper divisors (126447078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121848378 is a wasteful number, since it uses less digits than its factorization.

121848378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383229.

The product of its digits is 86016, while the sum is 42.

The square root of 121848378 is about 11038.4952778900. The cubic root of 121848378 is about 495.7620178360.

The spelling of 121848378 in words is "one hundred twenty-one million, eight hundred forty-eight thousand, three hundred seventy-eight".