122625230145 has 64 divisors (see below), whose sum is σ = 216629157888. Its totient is φ = 58737312000.

The previous prime is 122625230141. The next prime is 122625230149. The reversal of 122625230145 is 541032526221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122625230141) and next prime (122625230149).

It is not a de Polignac number, because 122625230145 - 2² = 122625230141 is a prime.

It is a super-2 number, since 2×122625230145² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (122625230141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7316475 + ... + 7333215.

It is an arithmetic number, because the mean of its divisors is an integer number (3384830592).

Almost surely, 2^122625230145 is an apocalyptic number.

122625230145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122625230145 is a deficient number, since it is larger than the sum of its proper divisors (94003927743).

122625230145 is a wasteful number, since it uses less digits than its factorization.

122625230145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17294.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 122625230145 its reverse (541032526221), we get a palindrome (663657756366).

The spelling of 122625230145 in words is "one hundred twenty-two billion, six hundred twenty-five million, two hundred thirty thousand, one hundred forty-five".