1220453201 has 32 divisors (see below), whose sum is σ = 1432166400. Its totient is φ = 1028350080.

The previous prime is 1220453149. The next prime is 1220453233. The reversal of 1220453201 is 1023540221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220453201 is a prime.

It is a super-2 number, since 2×1220453201² = 2979012031662292802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220453281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2547680 + ... + 2548158.

It is an arithmetic number, because the mean of its divisors is an integer number (44755200).

Almost surely, 2^1220453201 is an apocalyptic number.

1220453201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1220453201 is a deficient number, since it is larger than the sum of its proper divisors (211713199).

1220453201 is a wasteful number, since it uses less digits than its factorization.

1220453201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749.

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

The square root of 1220453201 is about 34934.9853442076. The cubic root of 1220453201 is about 1068.6620249005.

Adding to 1220453201 its reverse (1023540221), we get a palindrome (2243993422).

The spelling of 1220453201 in words is "one billion, two hundred twenty million, four hundred fifty-three thousand, two hundred one".