1211020324 has 6 divisors (see below), whose sum is σ = 2119285574. Its totient is φ = 605510160.

The previous prime is 1211020303. The next prime is 1211020331. The reversal of 1211020324 is 4230201121.

It can be written as a sum of positive squares in only one way, i.e., 988473600 + 222546724 = 31440^2 + 14918^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1211020298 and 1211020307.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151377537 + ... + 151377544.

Almost surely, 2^1211020324 is an apocalyptic number.

It is an amenable number.

1211020324 is a deficient number, since it is larger than the sum of its proper divisors (908265250).

1211020324 is a wasteful number, since it uses less digits than its factorization.

1211020324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302755085 (or 302755083 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1211020324 is about 34799.7172977023. The cubic root of 1211020324 is about 1065.9016731500.

Adding to 1211020324 its reverse (4230201121), we get a palindrome (5441221445).

The spelling of 1211020324 in words is "one billion, two hundred eleven million, twenty thousand, three hundred twenty-four".