111042037 has 2 divisors, whose sum is σ = 111042038. Its totient is φ = 111042036.

The previous prime is 111042017. The next prime is 111042047. The reversal of 111042037 is 730240111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78163281 + 32878756 = 8841^2 + 5734^2 .

It is an emirp because it is prime and its reverse (730240111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111042037 - 2¹¹ = 111039989 is a prime.

It is a super-2 number, since 2×111042037² = 24660667962218738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111042017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55521018 + 55521019.

It is an arithmetic number, because the mean of its divisors is an integer number (55521019).

Almost surely, 2^111042037 is an apocalyptic number.

It is an amenable number.

111042037 is a deficient number, since it is larger than the sum of its proper divisors (1).

111042037 is an equidigital number, since it uses as much as digits as its factorization.

111042037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 111042037 is about 10537.6485517406. The cubic root of 111042037 is about 480.6502140110.

Adding to 111042037 its reverse (730240111), we get a palindrome (841282148).

The spelling of 111042037 in words is "one hundred eleven million, forty-two thousand, thirty-seven".