42690103 has 2 divisors, whose sum is σ = 42690104. Its totient is φ = 42690102.

The previous prime is 42690079. The next prime is 42690127. The reversal of 42690103 is 30109624.

It is a balanced prime because it is at equal distance from previous prime (42690079) and next prime (42690127).

It is a cyclic number.

It is not a de Polignac number, because 42690103 - 2⁵ = 42690071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42690133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21345051 + 21345052.

It is an arithmetic number, because the mean of its divisors is an integer number (21345052).

Almost surely, 2^42690103 is an apocalyptic number.

42690103 is a deficient number, since it is larger than the sum of its proper divisors (1).

42690103 is an equidigital number, since it uses as much as digits as its factorization.

42690103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 42690103 is about 6533.7663717032. The cubic root of 42690103 is about 349.4961539429.

Adding to 42690103 its reverse (30109624), we get a palindrome (72799727).

The spelling of 42690103 in words is "forty-two million, six hundred ninety thousand, one hundred three".