103121567 has 2 divisors, whose sum is σ = 103121568. Its totient is φ = 103121566.

The previous prime is 103121563. The next prime is 103121591. The reversal of 103121567 is 765121301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103121567 - 2² = 103121563 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103121563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51560783 + 51560784.

It is an arithmetic number, because the mean of its divisors is an integer number (51560784).

Almost surely, 2^103121567 is an apocalyptic number.

103121567 is a deficient number, since it is larger than the sum of its proper divisors (1).

103121567 is an equidigital number, since it uses as much as digits as its factorization.

103121567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 103121567 is about 10154.8789751528. The cubic root of 103121567 is about 468.9391601121.

Adding to 103121567 its reverse (765121301), we get a palindrome (868242868).

The spelling of 103121567 in words is "one hundred three million, one hundred twenty-one thousand, five hundred sixty-seven".