1201304049 has 48 divisors (see below), whose sum is σ = 1838471616. Its totient is φ = 691286400.

The previous prime is 1201304023. The next prime is 1201304063. The reversal of 1201304049 is 9404031021.

It is not a de Polignac number, because 1201304049 - 2¹³ = 1201295857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201304009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9459024 + ... + 9459150.

It is an arithmetic number, because the mean of its divisors is an integer number (38301492).

Almost surely, 2^1201304049 is an apocalyptic number.

It is an amenable number.

1201304049 is a deficient number, since it is larger than the sum of its proper divisors (637167567).

1201304049 is a wasteful number, since it uses less digits than its factorization.

1201304049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1201304049 is about 34659.8333665931. The cubic root of 1201304049 is about 1063.0433628426.

The spelling of 1201304049 in words is "one billion, two hundred one million, three hundred four thousand, forty-nine".