1203421004 has 48 divisors (see below), whose sum is σ = 2248253280. Its totient is φ = 562544640.

The previous prime is 1203420991. The next prime is 1203421057. The reversal of 1203421004 is 4001243021.

It is a super-2 number, since 2×1203421004² = 2896444225736736032, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1102499 + ... + 1103589.

It is an arithmetic number, because the mean of its divisors is an integer number (46838610).

Almost surely, 2^1203421004 is an apocalyptic number.

It is an amenable number.

1203421004 is a deficient number, since it is larger than the sum of its proper divisors (1044832276).

1203421004 is a wasteful number, since it uses less digits than its factorization.

1203421004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418 (or 1416 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1203421004 is about 34690.3589488492. The cubic root of 1203421004 is about 1063.6674330914.

Adding to 1203421004 its reverse (4001243021), we get a palindrome (5204664025).

The spelling of 1203421004 in words is "one billion, two hundred three million, four hundred twenty-one thousand, four".