1042121003 has 32 divisors (see below), whose sum is σ = 1348047360. Its totient is φ = 781724160.

The previous prime is 1042120999. The next prime is 1042121009. The reversal of 1042121003 is 3001212401.

1042121003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1042121003 - 2² = 1042120999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1042121009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1323776 + ... + 1324562.

It is an arithmetic number, because the mean of its divisors is an integer number (42126480).

Almost surely, 2^1042121003 is an apocalyptic number.

1042121003 is a deficient number, since it is larger than the sum of its proper divisors (305926357).

1042121003 is a wasteful number, since it uses less digits than its factorization.

1042121003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1042121003 is about 32281.8989992844. The cubic root of 1042121003 is about 1013.8476906591.

Adding to 1042121003 its reverse (3001212401), we get a palindrome (4043333404).

The spelling of 1042121003 in words is "one billion, forty-two million, one hundred twenty-one thousand, three".