5123745 has 36 divisors (see below), whose sum is σ = 9772308. Its totient is φ = 2481600.

The previous prime is 5123743. The next prime is 5123747. The reversal of 5123745 is 5473215.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5123743) and next prime (5123747).

It can be written as a sum of positive squares in 2 ways, for example, as 2509056 + 2614689 = 1584^2 + 1617^2 .

It is not a de Polignac number, because 5123745 - 2¹ = 5123743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5123743) 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 in 35 ways as a sum of consecutive naturals, for example, 4975 + ... + 5915.

It is an arithmetic number, because the mean of its divisors is an integer number (271453).

Almost surely, 2^5123745 is an apocalyptic number.

5123745 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5123745 is a deficient number, since it is larger than the sum of its proper divisors (4648563).

5123745 is a wasteful number, since it uses less digits than its factorization.

5123745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 960 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 5123745 is about 2263.5690844328. The cubic root of 5123745 is about 172.3967876584.

The spelling of 5123745 in words is "five million, one hundred twenty-three thousand, seven hundred forty-five".