147122117 has 4 divisors (see below), whose sum is σ = 149898060. Its totient is φ = 144346176.

The previous prime is 147122113. The next prime is 147122119. The reversal of 147122117 is 711221741.

147122117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 711221741 = 17 ⋅41836573.

It can be written as a sum of positive squares in 2 ways, for example, as 125462401 + 21659716 = 11201^2 + 4654^2 .

It is a cyclic number.

It is not a de Polignac number, because 147122117 - 2² = 147122113 is a prime.

It is a super-3 number, since 3×147122117³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147122113) 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, 1387892 + ... + 1387997.

It is an arithmetic number, because the mean of its divisors is an integer number (37474515).

Almost surely, 2^147122117 is an apocalyptic number.

It is an amenable number.

147122117 is a deficient number, since it is larger than the sum of its proper divisors (2775943).

147122117 is an equidigital number, since it uses as much as digits as its factorization.

147122117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775942.

The product of its digits is 784, while the sum is 26.

The square root of 147122117 is about 12129.3906277273. The cubic root of 147122117 is about 527.9093108800.

Adding to 147122117 its reverse (711221741), we get a palindrome (858343858).

The spelling of 147122117 in words is "one hundred forty-seven million, one hundred twenty-two thousand, one hundred seventeen".