1254321355 has 12 divisors (see below), whose sum is σ = 1750930560. Its totient is φ = 860105904.

The previous prime is 1254321329. The next prime is 1254321359. The reversal of 1254321355 is 5531234521.

It is not a de Polignac number, because 1254321355 - 2⁷ = 1254321227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1254321359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2559595 + ... + 2560084.

It is an arithmetic number, because the mean of its divisors is an integer number (145910880).

Almost surely, 2^1254321355 is an apocalyptic number.

1254321355 is a deficient number, since it is larger than the sum of its proper divisors (496609205).

1254321355 is an equidigital number, since it uses as much as digits as its factorization.

1254321355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5119698 (or 5119691 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 1254321355 is about 35416.3995205611. The cubic root of 1254321355 is about 1078.4572608966.

Adding to 1254321355 its reverse (5531234521), we get a palindrome (6785555876).

The spelling of 1254321355 in words is "one billion, two hundred fifty-four million, three hundred twenty-one thousand, three hundred fifty-five".