147122 has 4 divisors (see below), whose sum is σ = 220686. Its totient is φ = 73560.

The previous prime is 147107. The next prime is 147137. The reversal of 147122 is 221741.

147122 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (147107) and next prime (147137).

It can be written as a sum of positive squares in only one way, i.e., 143641 + 3481 = 379^2 + 59^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 147122.

It is an unprimeable number.

147122 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36779 + ... + 36782.

2¹⁴⁷¹²² is an apocalyptic number.

147122 is a deficient number, since it is larger than the sum of its proper divisors (73564).

147122 is an equidigital number, since it uses as much as digits as its factorization.

147122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73563.

The product of its digits is 112, while the sum is 17.

The square root of 147122 is about 383.5648576186. The cubic root of 147122 is about 52.7909170939.

Adding to 147122 its reverse (221741), we get a palindrome (368863).

The spelling of 147122 in words is "one hundred forty-seven thousand, one hundred twenty-two", and thus it is an iban number.