121454042 has 16 divisors (see below), whose sum is σ = 194400960. Its totient is φ = 56741472.

The previous prime is 121454041. The next prime is 121454087. The reversal of 121454042 is 240454121.

It is a junction number, because it is equal to n+sod(n) for n = 121453999 and 121454017.

It is not an unprimeable number, because it can be changed into a prime (121454041) 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, 19118 + ... + 24665.

It is an arithmetic number, because the mean of its divisors is an integer number (12150060).

Almost surely, 2^121454042 is an apocalyptic number.

121454042 is a deficient number, since it is larger than the sum of its proper divisors (72946918).

121454042 is a wasteful number, since it uses less digits than its factorization.

121454042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43877.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 121454042 is about 11020.6189481354. The cubic root of 121454042 is about 495.2266309104.

The spelling of 121454042 in words is "one hundred twenty-one million, four hundred fifty-four thousand, forty-two".