122148735 has 16 divisors (see below), whose sum is σ = 196455264. Its totient is φ = 64806912.

The previous prime is 122148731. The next prime is 122148749. The reversal of 122148735 is 537841221.

It is not a de Polignac number, because 122148735 - 2² = 122148731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122148696 and 122148705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122148731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18202 + ... + 23991.

It is an arithmetic number, because the mean of its divisors is an integer number (12278454).

Almost surely, 2^122148735 is an apocalyptic number.

122148735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122148735 is a deficient number, since it is larger than the sum of its proper divisors (74306529).

122148735 is a wasteful number, since it uses less digits than its factorization.

122148735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42394.

The product of its digits is 13440, while the sum is 33.

The square root of 122148735 is about 11052.0918834400. The cubic root of 122148735 is about 496.1690357246.

Adding to 122148735 its reverse (537841221), we get a palindrome (659989956).

The spelling of 122148735 in words is "one hundred twenty-two million, one hundred forty-eight thousand, seven hundred thirty-five".