7149126 has 16 divisors (see below), whose sum is σ = 14342400. Its totient is φ = 2375688.

The previous prime is 7149097. The next prime is 7149143. The reversal of 7149126 is 6219417.

It is a happy number.

It is a super-2 number, since 2×7149126² = 102220005127752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7149093 and 7149102.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 495 + ... + 3813.

It is an arithmetic number, because the mean of its divisors is an integer number (896400).

Almost surely, 2^7149126 is an apocalyptic number.

7149126 is an abundant number, since it is smaller than the sum of its proper divisors (7193274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7149126 is a wasteful number, since it uses less digits than its factorization.

7149126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683.

The product of its digits is 3024, while the sum is 30.

The square root of 7149126 is about 2673.7849576957. The cubic root of 7149126 is about 192.6420023796.

It can be divided in two parts, 71491 and 26, that added together give a palindrome (71517).

The spelling of 7149126 in words is "seven million, one hundred forty-nine thousand, one hundred twenty-six".