120421042454 has 32 divisors (see below), whose sum is σ = 190491238080. Its totient is φ = 56981232000.

The previous prime is 120421042429. The next prime is 120421042471. The reversal of 120421042454 is 454240124021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3497684 + ... + 3531944.

It is an arithmetic number, because the mean of its divisors is an integer number (5952851190).

Almost surely, 2^120421042454 is an apocalyptic number.

120421042454 is a deficient number, since it is larger than the sum of its proper divisors (70070195626).

120421042454 is a wasteful number, since it uses less digits than its factorization.

120421042454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35096.

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 120421042454 its reverse (454240124021), we get a palindrome (574661166475).

The spelling of 120421042454 in words is "one hundred twenty billion, four hundred twenty-one million, forty-two thousand, four hundred fifty-four".