122145637 has 8 divisors (see below), whose sum is σ = 123379200. Its totient is φ = 120918384.

The previous prime is 122145619. The next prime is 122145641. The reversal of 122145637 is 736541221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122145637 - 2¹⁵ = 122112869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122145599 and 122145608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122145677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43564 + ... + 46282.

It is an arithmetic number, because the mean of its divisors is an integer number (15422400).

Almost surely, 2^122145637 is an apocalyptic number.

It is an amenable number.

122145637 is a deficient number, since it is larger than the sum of its proper divisors (1233563).

122145637 is a wasteful number, since it uses less digits than its factorization.

122145637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155.

The product of its digits is 10080, while the sum is 31.

The square root of 122145637 is about 11051.9517280886. The cubic root of 122145637 is about 496.1648409897.

Adding to 122145637 its reverse (736541221), we get a palindrome (858686858).

The spelling of 122145637 in words is "one hundred twenty-two million, one hundred forty-five thousand, six hundred thirty-seven".