1203654049 has 4 divisors (see below), whose sum is σ = 1296242836. Its totient is φ = 1111065264.

The previous prime is 1203654041. The next prime is 1203654059. The reversal of 1203654049 is 9404563021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9404563021 = 7 ⋅1343509003.

It can be written as a sum of positive squares in 2 ways, for example, as 558849600 + 644804449 = 23640^2 + 25393^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203654049 - 2³ = 1203654041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203654041) 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 3 ways as a sum of consecutive naturals, for example, 46294374 + ... + 46294399.

It is an arithmetic number, because the mean of its divisors is an integer number (324060709).

Almost surely, 2^1203654049 is an apocalyptic number.

It is an amenable number.

1203654049 is a deficient number, since it is larger than the sum of its proper divisors (92588787).

1203654049 is an equidigital number, since it uses as much as digits as its factorization.

1203654049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92588786.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1203654049 is about 34693.7177166126. The cubic root of 1203654049 is about 1063.7360891358.

The spelling of 1203654049 in words is "one billion, two hundred three million, six hundred fifty-four thousand, forty-nine".