103012691 has 2 divisors, whose sum is σ = 103012692. Its totient is φ = 103012690.

The previous prime is 103012631. The next prime is 103012697. The reversal of 103012691 is 196210301.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103012691 - 2¹⁴ = 102996307 is a prime.

It is a super-2 number, since 2×103012691² = 21223229014122962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103012697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51506345 + 51506346.

It is an arithmetic number, because the mean of its divisors is an integer number (51506346).

Almost surely, 2^103012691 is an apocalyptic number.

103012691 is a deficient number, since it is larger than the sum of its proper divisors (1).

103012691 is an equidigital number, since it uses as much as digits as its factorization.

103012691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 103012691 is about 10149.5167865273. The cubic root of 103012691 is about 468.7740662962.

Adding to 103012691 its reverse (196210301), we get a palindrome (299222992).

The spelling of 103012691 in words is "one hundred three million, twelve thousand, six hundred ninety-one".