122021054 has 4 divisors (see below), whose sum is σ = 183031584. Its totient is φ = 61010526.

The previous prime is 122021051. The next prime is 122021063. The reversal of 122021054 is 450120221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 450120221 = 18773 ⋅23977.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30505262 + ... + 30505265.

It is an arithmetic number, because the mean of its divisors is an integer number (45757896).

Almost surely, 2^122021054 is an apocalyptic number.

122021054 is a deficient number, since it is larger than the sum of its proper divisors (61010530).

122021054 is an equidigital number, since it uses as much as digits as its factorization.

122021054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61010529.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 122021054 is about 11046.3140458707. The cubic root of 122021054 is about 495.9960950742.

Adding to 122021054 its reverse (450120221), we get a palindrome (572141275).

The spelling of 122021054 in words is "one hundred twenty-two million, twenty-one thousand, fifty-four".