122573653 has 4 divisors (see below), whose sum is σ = 124050528. Its totient is φ = 121096780.

The previous prime is 122573609. The next prime is 122573657. The reversal of 122573653 is 356375221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 356375221 = 3413 ⋅104417.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122573653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122573657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738313 + ... + 738478.

It is an arithmetic number, because the mean of its divisors is an integer number (31012632).

Almost surely, 2^122573653 is an apocalyptic number.

It is an amenable number.

122573653 is a deficient number, since it is larger than the sum of its proper divisors (1476875).

122573653 is an equidigital number, since it uses as much as digits as its factorization.

122573653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476874.

The product of its digits is 37800, while the sum is 34.

The square root of 122573653 is about 11071.2986139838. The cubic root of 122573653 is about 496.7437098527.

The spelling of 122573653 in words is "one hundred twenty-two million, five hundred seventy-three thousand, six hundred fifty-three".