122150553 has 16 divisors (see below), whose sum is σ = 187324800. Its totient is φ = 69353856.

The previous prime is 122150551. The next prime is 122150569. The reversal of 122150553 is 355051221.

It is a happy number.

It is not a de Polignac number, because 122150553 - 2¹ = 122150551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122150551) 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 in 15 ways as a sum of consecutive naturals, for example, 15228 + ... + 21821.

It is an arithmetic number, because the mean of its divisors is an integer number (11707800).

Almost surely, 2^122150553 is an apocalyptic number.

It is an amenable number.

122150553 is a deficient number, since it is larger than the sum of its proper divisors (65174247).

122150553 is a wasteful number, since it uses less digits than its factorization.

122150553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37216.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 122150553 is about 11052.1741300072. The cubic root of 122150553 is about 496.1714972887.

The spelling of 122150553 in words is "one hundred twenty-two million, one hundred fifty thousand, five hundred fifty-three".