1501427 has 2 divisors, whose sum is σ = 1501428. Its totient is φ = 1501426.

The previous prime is 1501411. The next prime is 1501429. The reversal of 1501427 is 7241051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1501427 - 2⁴ = 1501411 is a prime.

Together with 1501429, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1501399 and 1501408.

It is not a weakly prime, because it can be changed into another prime (1501429) 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, 750713 + 750714.

It is an arithmetic number, because the mean of its divisors is an integer number (750714).

2^1501427 is an apocalyptic number.

1501427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1501427 is an equidigital number, since it uses as much as digits as its factorization.

1501427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1501427 is about 1225.3273032133. The cubic root of 1501427 is about 114.5077129108.

Adding to 1501427 its reverse (7241051), we get a palindrome (8742478).

The spelling of 1501427 in words is "one million, five hundred one thousand, four hundred twenty-seven".