1254340141 has 2 divisors, whose sum is σ = 1254340142. Its totient is φ = 1254340140.

The previous prime is 1254340127. The next prime is 1254340169. The reversal of 1254340141 is 1410434521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1073545225 + 180794916 = 32765^2 + 13446^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254340141 - 2²³ = 1245951533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1254320141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627170070 + 627170071.

It is an arithmetic number, because the mean of its divisors is an integer number (627170071).

Almost surely, 2^1254340141 is an apocalyptic number.

It is an amenable number.

1254340141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254340141 is an equidigital number, since it uses as much as digits as its factorization.

1254340141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1254340141 is about 35416.6647356862. The cubic root of 1254340141 is about 1078.4626448962.

Adding to 1254340141 its reverse (1410434521), we get a palindrome (2664774662).

The spelling of 1254340141 in words is "one billion, two hundred fifty-four million, three hundred forty thousand, one hundred forty-one".