103149427 has 2 divisors, whose sum is σ = 103149428. Its totient is φ = 103149426.

The previous prime is 103149419. The next prime is 103149467. The reversal of 103149427 is 724941301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103149427 - 2³ = 103149419 is a prime.

It is equal to p_5932390 and since 103149427 and 5932390 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (103149407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51574713 + 51574714.

It is an arithmetic number, because the mean of its divisors is an integer number (51574714).

Almost surely, 2^103149427 is an apocalyptic number.

103149427 is a deficient number, since it is larger than the sum of its proper divisors (1).

103149427 is an equidigital number, since it uses as much as digits as its factorization.

103149427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 103149427 is about 10156.2506369231. The cubic root of 103149427 is about 468.9813868709.

The spelling of 103149427 in words is "one hundred three million, one hundred forty-nine thousand, four hundred twenty-seven".