1209382948 has 12 divisors (see below), whose sum is σ = 2116705500. Its totient is φ = 604609952.

The previous prime is 1209382913. The next prime is 1209382949. The reversal of 1209382948 is 8492839021.

It can be written as a sum of positive squares in 2 ways, for example, as 54878464 + 1154504484 = 7408^2 + 33978^2 .

It is a super-2 number, since 2×1209382948² = 2925214229826341408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1209382898 and 1209382907.

It is not an unprimeable number, because it can be changed into a prime (1209382949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23490 + ... + 54502.

It is an arithmetic number, because the mean of its divisors is an integer number (176392125).

Almost surely, 2^1209382948 is an apocalyptic number.

It is an amenable number.

1209382948 is a deficient number, since it is larger than the sum of its proper divisors (907322552).

1209382948 is a wasteful number, since it uses less digits than its factorization.

1209382948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40766 (or 40764 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 1209382948 is about 34776.1836319053. The cubic root of 1209382948 is about 1065.4210676771.

The spelling of 1209382948 in words is "one billion, two hundred nine million, three hundred eighty-two thousand, nine hundred forty-eight".