122300145542 has 16 divisors (see below), whose sum is σ = 189845370000. Its totient is φ = 59019895200.

The previous prime is 122300145521. The next prime is 122300145563. The reversal of 122300145542 is 245541003221.

It is an interprime number because it is at equal distance from previous prime (122300145521) and next prime (122300145563).

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224084 + ... + 542967.

It is an arithmetic number, because the mean of its divisors is an integer number (11865335625).

Almost surely, 2^122300145542 is an apocalyptic number.

122300145542 is a deficient number, since it is larger than the sum of its proper divisors (67545224458).

122300145542 is a wasteful number, since it uses less digits than its factorization.

122300145542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769831.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 122300145542 its reverse (245541003221), we get a palindrome (367841148763).

The spelling of 122300145542 in words is "one hundred twenty-two billion, three hundred million, one hundred forty-five thousand, five hundred forty-two".