1220533207 has 8 divisors (see below), whose sum is σ = 1295165376. Its totient is φ = 1146216192.

The previous prime is 1220533183. The next prime is 1220533213. The reversal of 1220533207 is 7023350221.

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 1220533207 - 2¹⁵ = 1220500439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220533217) 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, 70783 + ... + 86320.

It is an arithmetic number, because the mean of its divisors is an integer number (161895672).

Almost surely, 2^1220533207 is an apocalyptic number.

1220533207 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1220533207 is a deficient number, since it is larger than the sum of its proper divisors (74632169).

1220533207 is a wasteful number, since it uses less digits than its factorization.

1220533207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157577.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 1220533207 is about 34936.1303953371. The cubic root of 1220533207 is about 1068.6853762003.

Adding to 1220533207 its reverse (7023350221), we get a palindrome (8243883428).

The spelling of 1220533207 in words is "one billion, two hundred twenty million, five hundred thirty-three thousand, two hundred seven".