1254340106 has 4 divisors (see below), whose sum is σ = 1881510162. Its totient is φ = 627170052.

The previous prime is 1254340097. The next prime is 1254340127. The reversal of 1254340106 is 6010434521.

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

It can be written as a sum of positive squares in only one way, i.e., 1163423881 + 90916225 = 34109^2 + 9535^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313585025 + ... + 313585028.

Almost surely, 2^1254340106 is an apocalyptic number.

1254340106 is a deficient number, since it is larger than the sum of its proper divisors (627170056).

1254340106 is an equidigital number, since it uses as much as digits as its factorization.

1254340106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627170055.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1254340106 is about 35416.6642415685. The cubic root of 1254340106 is about 1078.4626348654.

Adding to 1254340106 its reverse (6010434521), we get a palindrome (7264774627).

The spelling of 1254340106 in words is "one billion, two hundred fifty-four million, three hundred forty thousand, one hundred six".