122121573 has 24 divisors (see below), whose sum is σ = 192532320. Its totient is φ = 68634720.

The previous prime is 122121551. The next prime is 122121583. The reversal of 122121573 is 375121221.

It is not a de Polignac number, because 122121573 - 2⁵ = 122121541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122121583) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2158 + ... + 15776.

It is an arithmetic number, because the mean of its divisors is an integer number (8022180).

Almost surely, 2^122121573 is an apocalyptic number.

It is an amenable number.

122121573 is a deficient number, since it is larger than the sum of its proper divisors (70410747).

122121573 is a wasteful number, since it uses less digits than its factorization.

122121573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13697 (or 13690 counting only the distinct ones).

The product of its digits is 840, while the sum is 24.

The square root of 122121573 is about 11050.8629979744. The cubic root of 122121573 is about 496.1322555854.

Adding to 122121573 its reverse (375121221), we get a palindrome (497242794).

The spelling of 122121573 in words is "one hundred twenty-two million, one hundred twenty-one thousand, five hundred seventy-three".