1210241345 has 8 divisors (see below), whose sum is σ = 1454977320. Its totient is φ = 966401280.

The previous prime is 1210241341. The next prime is 1210241359. The reversal of 1210241345 is 5431420121.

It can be written as a sum of positive squares in 4 ways, for example, as 335915584 + 874325761 = 18328^2 + 29569^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1210241345 - 2² = 1210241341 is a prime.

It is a super-2 number, since 2×1210241345² = 2929368226294818050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1210241345.

It is not an unprimeable number, because it can be changed into a prime (1210241341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221000 + ... + 226409.

It is an arithmetic number, because the mean of its divisors is an integer number (181872165).

Almost surely, 2^1210241345 is an apocalyptic number.

It is an amenable number.

1210241345 is a deficient number, since it is larger than the sum of its proper divisors (244735975).

1210241345 is an equidigital number, since it uses as much as digits as its factorization.

1210241345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447955.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1210241345 is about 34788.5231793475. The cubic root of 1210241345 is about 1065.6730799278.

Adding to 1210241345 its reverse (5431420121), we get a palindrome (6641661466).

The spelling of 1210241345 in words is "one billion, two hundred ten million, two hundred forty-one thousand, three hundred forty-five".