1220002007 has 8 divisors (see below), whose sum is σ = 1397603232. Its totient is φ = 1043229600.

The previous prime is 1220001973. The next prime is 1220002019. The reversal of 1220002007 is 7002000221.

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

It is not a de Polignac number, because 1220002007 - 2¹⁴ = 1219985623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220001982 and 1220002000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220002057) 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, 204044 + ... + 209937.

It is an arithmetic number, because the mean of its divisors is an integer number (174700404).

Almost surely, 2^1220002007 is an apocalyptic number.

1220002007 is a deficient number, since it is larger than the sum of its proper divisors (177601225).

1220002007 is an equidigital number, since it uses as much as digits as its factorization.

1220002007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414409.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 1220002007 is about 34928.5271232556. The cubic root of 1220002007 is about 1068.5303160882.

Adding to 1220002007 its reverse (7002000221), we get a palindrome (8222002228).

The spelling of 1220002007 in words is "one billion, two hundred twenty million, two thousand, seven".