1210916452 has 6 divisors (see below), whose sum is σ = 2119103798. Its totient is φ = 605458224.

The previous prime is 1210916449. The next prime is 1210916459. The reversal of 1210916452 is 2546190121.

It can be written as a sum of positive squares in only one way, i.e., 807469056 + 403447396 = 28416^2 + 20086^2 .

It is not an unprimeable number, because it can be changed into a prime (1210916459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151364553 + ... + 151364560.

Almost surely, 2^1210916452 is an apocalyptic number.

It is an amenable number.

1210916452 is a deficient number, since it is larger than the sum of its proper divisors (908187346).

1210916452 is a wasteful number, since it uses less digits than its factorization.

1210916452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302729117 (or 302729115 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1210916452 is about 34798.2248397817. The cubic root of 1210916452 is about 1065.8711973322.

It can be divided in two parts, 12109 and 16452, that added together give a 4-th power (28561 = 13⁴).

The spelling of 1210916452 in words is "one billion, two hundred ten million, nine hundred sixteen thousand, four hundred fifty-two".