7148122 has 4 divisors (see below), whose sum is σ = 10722186. Its totient is φ = 3574060.

The previous prime is 7148081. The next prime is 7148129. The reversal of 7148122 is 2218417.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2218417 = 197 ⋅11261.

It can be written as a sum of positive squares in only one way, i.e., 7070281 + 77841 = 2659^2 + 279^2 .

It is not an unprimeable number, because it can be changed into a prime (7148129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1787029 + ... + 1787032.

Almost surely, 2^7148122 is an apocalyptic number.

7148122 is a deficient number, since it is larger than the sum of its proper divisors (3574064).

7148122 is a wasteful number, since it uses less digits than its factorization.

7148122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3574063.

The product of its digits is 896, while the sum is 25.

The square root of 7148122 is about 2673.5972022726. The cubic root of 7148122 is about 192.6329839520.

It can be divided in two parts, 714 and 8122, that added together give a square (8836 = 94²).

The spelling of 7148122 in words is "seven million, one hundred forty-eight thousand, one hundred twenty-two".