122420150553 has 16 divisors (see below), whose sum is σ = 165033722880. Its totient is φ = 80712142224.

The previous prime is 122420150551. The next prime is 122420150591. The reversal of 122420150553 is 355051024221.

It is not a de Polignac number, because 122420150553 - 2¹ = 122420150551 is a prime.

It is a super-2 number, since 2×122420150553² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122420150553.

It is not an unprimeable number, because it can be changed into a prime (122420150551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37023 + ... + 496196.

It is an arithmetic number, because the mean of its divisors is an integer number (10314607680).

Almost surely, 2^122420150553 is an apocalyptic number.

It is an amenable number.

122420150553 is a deficient number, since it is larger than the sum of its proper divisors (42613572327).

122420150553 is a wasteful number, since it uses less digits than its factorization.

122420150553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534068.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 122420150553 its reverse (355051024221), we get a palindrome (477471174774).

The spelling of 122420150553 in words is "one hundred twenty-two billion, four hundred twenty million, one hundred fifty thousand, five hundred fifty-three".