1322121003 has 16 divisors (see below), whose sum is σ = 2018219520. Its totient is φ = 754163136.

The previous prime is 1322120977. The next prime is 1322121013. The reversal of 1322121003 is 3001212231.

It is not a de Polignac number, because 1322121003 - 2⁵ = 1322120971 is a prime.

It is a super-3 number, since 3×1322121003³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1322121013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43375 + ... + 67272.

It is an arithmetic number, because the mean of its divisors is an integer number (126138720).

Almost surely, 2^1322121003 is an apocalyptic number.

1322121003 is a deficient number, since it is larger than the sum of its proper divisors (696098517).

1322121003 is a wasteful number, since it uses less digits than its factorization.

1322121003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111226.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1322121003 is about 36360.9818761815. The cubic root of 1322121003 is about 1097.5485360339.

Adding to 1322121003 its reverse (3001212231), we get a palindrome (4323333234).

The spelling of 1322121003 in words is "one billion, three hundred twenty-two million, one hundred twenty-one thousand, three".