122012153 has 2 divisors, whose sum is σ = 122012154. Its totient is φ = 122012152.

The previous prime is 122012131. The next prime is 122012173. The reversal of 122012153 is 351210221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98168464 + 23843689 = 9908^2 + 4883^2 .

It is a cyclic number.

It is not a de Polignac number, because 122012153 - 2¹² = 122008057 is a prime.

It is not a weakly prime, because it can be changed into another prime (122012123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61006076 + 61006077.

It is an arithmetic number, because the mean of its divisors is an integer number (61006077).

Almost surely, 2^122012153 is an apocalyptic number.

It is an amenable number.

122012153 is a deficient number, since it is larger than the sum of its proper divisors (1).

122012153 is an equidigital number, since it uses as much as digits as its factorization.

122012153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 122012153 is about 11045.9111439482. The cubic root of 122012153 is about 495.9840343998.

Adding to 122012153 its reverse (351210221), we get a palindrome (473222374).

The spelling of 122012153 in words is "one hundred twenty-two million, twelve thousand, one hundred fifty-three".