103212037 has 2 divisors, whose sum is σ = 103212038. Its totient is φ = 103212036.

The previous prime is 103212023. The next prime is 103212059. The reversal of 103212037 is 730212301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74632321 + 28579716 = 8639^2 + 5346^2 .

It is a cyclic number.

It is not a de Polignac number, because 103212037 - 2⁷ = 103211909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103212737) 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 as a sum of consecutive naturals, namely, 51606018 + 51606019.

It is an arithmetic number, because the mean of its divisors is an integer number (51606019).

Almost surely, 2^103212037 is an apocalyptic number.

It is an amenable number.

103212037 is a deficient number, since it is larger than the sum of its proper divisors (1).

103212037 is an equidigital number, since it uses as much as digits as its factorization.

103212037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 103212037 is about 10159.3325076011. The cubic root of 103212037 is about 469.0762556665.

Adding to 103212037 its reverse (730212301), we get a palindrome (833424338).

The spelling of 103212037 in words is "one hundred three million, two hundred twelve thousand, thirty-seven".