1203223021 has 64 divisors (see below), whose sum is σ = 1687795200. Its totient is φ = 827366400.

The previous prime is 1203223003. The next prime is 1203223067.

1203223021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1203223021 - 2¹⁷ = 1203091949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1203222986 and 1203223004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203223001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5254135 + ... + 5254363.

It is an arithmetic number, because the mean of its divisors is an integer number (26371800).

Almost surely, 2^1203223021 is an apocalyptic number.

1203223021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1203223021 is a deficient number, since it is larger than the sum of its proper divisors (484572179).

1203223021 is a wasteful number, since it uses less digits than its factorization.

1203223021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1203223021 is about 34687.5052576573. The cubic root of 1203223021 is about 1063.6090994968.

It can be divided in two parts, 12032 and 23021, that added together give a palindrome (35053).

The spelling of 1203223021 in words is "one billion, two hundred three million, two hundred twenty-three thousand, twenty-one".