1231453 has 2 divisors, whose sum is σ = 1231454. Its totient is φ = 1231452.

The previous prime is 1231423. The next prime is 1231457. The reversal of 1231453 is 3541321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1172889 + 58564 = 1083^2 + 242^2 .

It is a cyclic number.

It is not a de Polignac number, because 1231453 - 2⁵ = 1231421 is a prime.

1231453 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1231453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231457) 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, 615726 + 615727.

It is an arithmetic number, because the mean of its divisors is an integer number (615727).

2^1231453 is an apocalyptic number.

It is an amenable number.

1231453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231453 is an equidigital number, since it uses as much as digits as its factorization.

1231453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 19.

The square root of 1231453 is about 1109.7085202881. The cubic root of 1231453 is about 107.1863001818.

Adding to 1231453 its reverse (3541321), we get a palindrome (4772774).

The spelling of 1231453 in words is "one million, two hundred thirty-one thousand, four hundred fifty-three".