1204025149 has 2 divisors, whose sum is σ = 1204025150. Its totient is φ = 1204025148.

The previous prime is 1204025143. The next prime is 1204025239. The reversal of 1204025149 is 9415204021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 712516249 + 491508900 = 26693^2 + 22170^2 .

It is an emirp because it is prime and its reverse (9415204021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1204025149 - 2¹⁵ = 1203992381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1204025143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602012574 + 602012575.

It is an arithmetic number, because the mean of its divisors is an integer number (602012575).

Almost surely, 2^1204025149 is an apocalyptic number.

It is an amenable number.

1204025149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204025149 is an equidigital number, since it uses as much as digits as its factorization.

1204025149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1204025149 is about 34699.0655349679. The cubic root of 1204025149 is about 1063.8453984791.

The spelling of 1204025149 in words is "one billion, two hundred four million, twenty-five thousand, one hundred forty-nine".