122145454 has 8 divisors (see below), whose sum is σ = 184168080. Its totient is φ = 60756096.

The previous prime is 122145427. The next prime is 122145467. The reversal of 122145454 is 454541221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×122145454² = 29839023865732232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157834 + ... + 158605.

It is an arithmetic number, because the mean of its divisors is an integer number (23021010).

Almost surely, 2^122145454 is an apocalyptic number.

122145454 is a deficient number, since it is larger than the sum of its proper divisors (62022626).

122145454 is a wasteful number, since it uses less digits than its factorization.

122145454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316634.

The product of its digits is 6400, while the sum is 28.

The square root of 122145454 is about 11051.9434490048. The cubic root of 122145454 is about 496.1645932029.

Adding to 122145454 its reverse (454541221), we get a palindrome (576686675).

The spelling of 122145454 in words is "one hundred twenty-two million, one hundred forty-five thousand, four hundred fifty-four".