1257463 has 2 divisors, whose sum is σ = 1257464. Its totient is φ = 1257462.

The previous prime is 1257461. The next prime is 1257491. The reversal of 1257463 is 3647521.

It is an a-pointer prime, because the next prime (1257491) can be obtained adding 1257463 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1257463 - 2¹ = 1257461 is a prime.

Together with 1257461, it forms a pair of twin primes.

1257463 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1257461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628731 + 628732.

It is an arithmetic number, because the mean of its divisors is an integer number (628732).

2^1257463 is an apocalyptic number.

1257463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1257463 is an equidigital number, since it uses as much as digits as its factorization.

1257463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 28.

The square root of 1257463 is about 1121.3665769943. The cubic root of 1257463 is about 107.9356898797.

It can be divided in two parts, 12 and 57463, that added together give a palindrome (57475).

The spelling of 1257463 in words is "one million, two hundred fifty-seven thousand, four hundred sixty-three".