103290427 has 2 divisors, whose sum is σ = 103290428. Its totient is φ = 103290426.

The previous prime is 103290409. The next prime is 103290433. The reversal of 103290427 is 724092301.

It is a strong prime.

It is an emirp because it is prime and its reverse (724092301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103290427 - 2¹⁵ = 103257659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103290395 and 103290404.

It is not a weakly prime, because it can be changed into another prime (103290437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51645213 + 51645214.

It is an arithmetic number, because the mean of its divisors is an integer number (51645214).

Almost surely, 2^103290427 is an apocalyptic number.

103290427 is a deficient number, since it is larger than the sum of its proper divisors (1).

103290427 is an equidigital number, since it uses as much as digits as its factorization.

103290427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 103290427 is about 10163.1898043872. The cubic root of 103290427 is about 469.1949807799.

The spelling of 103290427 in words is "one hundred three million, two hundred ninety thousand, four hundred twenty-seven".