122101445 has 16 divisors (see below), whose sum is σ = 148661568. Its totient is φ = 96264960.

The previous prime is 122101439. The next prime is 122101459. The reversal of 122101445 is 544101221.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-122101445 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128462 + ... + 129408.

It is an arithmetic number, because the mean of its divisors is an integer number (9291348).

Almost surely, 2^122101445 is an apocalyptic number.

It is an amenable number.

122101445 is a deficient number, since it is larger than the sum of its proper divisors (26560123).

122101445 is a wasteful number, since it uses less digits than its factorization.

122101445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 122101445 is about 11049.9522623403. The cubic root of 122101445 is about 496.1049966868.

Adding to 122101445 its reverse (544101221), we get a palindrome (666202666).

The spelling of 122101445 in words is "one hundred twenty-two million, one hundred one thousand, four hundred forty-five".