1469731 has 2 divisors, whose sum is σ = 1469732. Its totient is φ = 1469730.

The previous prime is 1469729. The next prime is 1469747. The reversal of 1469731 is 1379641.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1379641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1469731 - 2¹ = 1469729 is a prime.

It is a super-2 number, since 2×1469731² = 4320218424722, which contains 22 as substring.

Together with 1469729, 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 = 1469693 and 1469702.

It is not a weakly prime, because it can be changed into another prime (1469761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 734865 + 734866.

It is an arithmetic number, because the mean of its divisors is an integer number (734866).

2^1469731 is an apocalyptic number.

1469731 is a deficient number, since it is larger than the sum of its proper divisors (1).

1469731 is an equidigital number, since it uses as much as digits as its factorization.

1469731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 31.

The square root of 1469731 is about 1212.3246264924. The cubic root of 1469731 is about 113.6962004575.

The spelling of 1469731 in words is "one million, four hundred sixty-nine thousand, seven hundred thirty-one".