122042153 has 2 divisors, whose sum is σ = 122042154. Its totient is φ = 122042152.

The previous prime is 122042131. The next prime is 122042227. The reversal of 122042153 is 351240221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121066009 + 976144 = 11003^2 + 988^2 .

It is an emirp because it is prime and its reverse (351240221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122042153 - 2⁸ = 122041897 is a prime.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (122042653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61021076 + 61021077.

It is an arithmetic number, because the mean of its divisors is an integer number (61021077).

Almost surely, 2^122042153 is an apocalyptic number.

It is an amenable number.

122042153 is a deficient number, since it is larger than the sum of its proper divisors (1).

122042153 is an equidigital number, since it uses as much as digits as its factorization.

122042153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 122042153 is about 11047.2690290406. The cubic root of 122042153 is about 496.0246814483.

Adding to 122042153 its reverse (351240221), we get a palindrome (473282374).

The spelling of 122042153 in words is "one hundred twenty-two million, forty-two thousand, one hundred fifty-three".