120121454 has 4 divisors (see below), whose sum is σ = 180182184. Its totient is φ = 60060726.

The previous prime is 120121409. The next prime is 120121457. The reversal of 120121454 is 454121021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 454121021 = 173 ⋅2624977.

It is a super-2 number, since 2×120121454² = 28858327422148232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120121457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30030362 + ... + 30030365.

It is an arithmetic number, because the mean of its divisors is an integer number (45045546).

Almost surely, 2^120121454 is an apocalyptic number.

120121454 is a deficient number, since it is larger than the sum of its proper divisors (60060730).

120121454 is an equidigital number, since it uses as much as digits as its factorization.

120121454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60060729.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 120121454 is about 10959.9933394140. The cubic root of 120121454 is about 493.4087650464.

Adding to 120121454 its reverse (454121021), we get a palindrome (574242475).

The spelling of 120121454 in words is "one hundred twenty million, one hundred twenty-one thousand, four hundred fifty-four".