7249126 has 4 divisors (see below), whose sum is σ = 10873692. Its totient is φ = 3624562.

The previous prime is 7249111. The next prime is 7249129. The reversal of 7249126 is 6219427.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6219427 = 29 ⋅214463.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7249129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1812280 + ... + 1812283.

It is an arithmetic number, because the mean of its divisors is an integer number (2718423).

Almost surely, 2^7249126 is an apocalyptic number.

7249126 is a deficient number, since it is larger than the sum of its proper divisors (3624566).

7249126 is a wasteful number, since it uses less digits than its factorization.

7249126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3624565.

The product of its digits is 6048, while the sum is 31.

The square root of 7249126 is about 2692.4201009501. The cubic root of 7249126 is about 193.5360543713.

The spelling of 7249126 in words is "seven million, two hundred forty-nine thousand, one hundred twenty-six".