1254442141 has 2 divisors, whose sum is σ = 1254442142. Its totient is φ = 1254442140.

The previous prime is 1254442081. The next prime is 1254442153. The reversal of 1254442141 is 1412444521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 738698041 + 515744100 = 27179^2 + 22710^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254442141 - 2¹³ = 1254433949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1254442181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627221070 + 627221071.

It is an arithmetic number, because the mean of its divisors is an integer number (627221071).

Almost surely, 2^1254442141 is an apocalyptic number.

It is an amenable number.

1254442141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254442141 is an equidigital number, since it uses as much as digits as its factorization.

1254442141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5120, while the sum is 28.

The square root of 1254442141 is about 35418.1047064916. The cubic root of 1254442141 is about 1078.4918767886.

Adding to 1254442141 its reverse (1412444521), we get a palindrome (2666886662).

The spelling of 1254442141 in words is "one billion, two hundred fifty-four million, four hundred forty-two thousand, one hundred forty-one".