1220023003 has 8 divisors (see below), whose sum is σ = 1359778320. Its totient is φ = 1087822080.

The previous prime is 1220022989. The next prime is 1220023067. The reversal of 1220023003 is 3003200221.

It is a happy number.

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 1220023003 - 2⁹ = 1220022491 is a prime.

It is a super-2 number, since 2×1220023003² = 2976912255698276018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1220423003) 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, 1888258 + ... + 1888903.

It is an arithmetic number, because the mean of its divisors is an integer number (169972290).

Almost surely, 2^1220023003 is an apocalyptic number.

1220023003 is a deficient number, since it is larger than the sum of its proper divisors (139755317).

1220023003 is a wasteful number, since it uses less digits than its factorization.

1220023003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777197.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1220023003 is about 34928.8276785809. The cubic root of 1220023003 is about 1068.5364457868.

Adding to 1220023003 its reverse (3003200221), we get a palindrome (4223223224).

The spelling of 1220023003 in words is "one billion, two hundred twenty million, twenty-three thousand, three".