1220210453 has 8 divisors (see below), whose sum is σ = 1521301440. Its totient is φ = 950813280.

The previous prime is 1220210449. The next prime is 1220210461. The reversal of 1220210453 is 3540120221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220210453 - 2² = 1220210449 is a prime.

It is a super-2 number, since 2×1220210453² = 2977827099220930418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220210413) 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 7 ways as a sum of consecutive naturals, for example, 7923368 + ... + 7923521.

It is an arithmetic number, because the mean of its divisors is an integer number (190162680).

Almost surely, 2^1220210453 is an apocalyptic number.

It is an amenable number.

1220210453 is a deficient number, since it is larger than the sum of its proper divisors (301090987).

1220210453 is a wasteful number, since it uses less digits than its factorization.

1220210453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15846907.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1220210453 is about 34931.5108891671. The cubic root of 1220210453 is about 1068.5911679516.

Adding to 1220210453 its reverse (3540120221), we get a palindrome (4760330674).

The spelling of 1220210453 in words is "one billion, two hundred twenty million, two hundred ten thousand, four hundred fifty-three".