121445054 has 4 divisors (see below), whose sum is σ = 182167584. Its totient is φ = 60722526.

The previous prime is 121445053. The next prime is 121445081. The reversal of 121445054 is 450544121.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×121445054² = 29497802282125832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121445053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30361262 + ... + 30361265.

It is an arithmetic number, because the mean of its divisors is an integer number (45541896).

Almost surely, 2^121445054 is an apocalyptic number.

121445054 is a deficient number, since it is larger than the sum of its proper divisors (60722530).

121445054 is an equidigital number, since it uses as much as digits as its factorization.

121445054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60722529.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 121445054 is about 11020.2111595014. The cubic root of 121445054 is about 495.2144144739.

Adding to 121445054 its reverse (450544121), we get a palindrome (571989175).

The spelling of 121445054 in words is "one hundred twenty-one million, four hundred forty-five thousand, fifty-four".