1204154141 has 2 divisors, whose sum is σ = 1204154142. Its totient is φ = 1204154140.

The previous prime is 1204154137. The next prime is 1204154191. The reversal of 1204154141 is 1414514021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1144401241 + 59752900 = 33829^2 + 7730^2 .

It is a cyclic number.

It is not a de Polignac number, because 1204154141 - 2² = 1204154137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1204154101) 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 as a sum of consecutive naturals, namely, 602077070 + 602077071.

It is an arithmetic number, because the mean of its divisors is an integer number (602077071).

Almost surely, 2^1204154141 is an apocalyptic number.

It is an amenable number.

1204154141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204154141 is an equidigital number, since it uses as much as digits as its factorization.

1204154141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1204154141 is about 34700.9242095942. The cubic root of 1204154141 is about 1063.8833884511.

Adding to 1204154141 its reverse (1414514021), we get a palindrome (2618668162).

The spelling of 1204154141 in words is "one billion, two hundred four million, one hundred fifty-four thousand, one hundred forty-one".