103440037 has 2 divisors, whose sum is σ = 103440038. Its totient is φ = 103440036.

The previous prime is 103440031. The next prime is 103440067. The reversal of 103440037 is 730044301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102292996 + 1147041 = 10114^2 + 1071^2 .

It is a cyclic number.

It is not a de Polignac number, because 103440037 - 2¹¹ = 103437989 is a prime.

It is a super-2 number, since 2×103440037² = 21399682509122738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103440031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51720018 + 51720019.

It is an arithmetic number, because the mean of its divisors is an integer number (51720019).

Almost surely, 2^103440037 is an apocalyptic number.

It is an amenable number.

103440037 is a deficient number, since it is larger than the sum of its proper divisors (1).

103440037 is an equidigital number, since it uses as much as digits as its factorization.

103440037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 103440037 is about 10170.5475270508. The cubic root of 103440037 is about 469.4214051081.

Adding to 103440037 its reverse (730044301), we get a palindrome (833484338).

The spelling of 103440037 in words is "one hundred three million, four hundred forty thousand, thirty-seven".