1254022453 has 4 divisors (see below), whose sum is σ = 1277683308. Its totient is φ = 1230361600.

The previous prime is 1254022417. The next prime is 1254022457. The reversal of 1254022453 is 3542204521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 300571569 + 953450884 = 17337^2 + 30878^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254022453 - 2¹⁷ = 1253891381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254022457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11830348 + ... + 11830453.

It is an arithmetic number, because the mean of its divisors is an integer number (319420827).

Almost surely, 2^1254022453 is an apocalyptic number.

It is an amenable number.

1254022453 is a deficient number, since it is larger than the sum of its proper divisors (23660855).

1254022453 is an equidigital number, since it uses as much as digits as its factorization.

1254022453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23660854.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1254022453 is about 35412.1794443663. The cubic root of 1254022453 is about 1078.3715894325.

Adding to 1254022453 its reverse (3542204521), we get a palindrome (4796226974).

The spelling of 1254022453 in words is "one billion, two hundred fifty-four million, twenty-two thousand, four hundred fifty-three".