1034203121 has 16 divisors (see below), whose sum is σ = 1231945728. Its totient is φ = 849517200.

The previous prime is 1034203099. The next prime is 1034203139. The reversal of 1034203121 is 1213024301.

It is not a de Polignac number, because 1034203121 - 2⁶ = 1034203057 is a prime.

It is a super-2 number, since 2×1034203121² = 2139152190972281282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1034203121.

It is not an unprimeable number, because it can be changed into a prime (1034293121) by changing a digit.

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, 785 + ... + 45486.

It is an arithmetic number, because the mean of its divisors is an integer number (76996608).

Almost surely, 2^1034203121 is an apocalyptic number.

It is an amenable number.

1034203121 is a deficient number, since it is larger than the sum of its proper divisors (197742607).

1034203121 is a wasteful number, since it uses less digits than its factorization.

1034203121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46412.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1034203121 is about 32159.0286078420. The cubic root of 1034203121 is about 1011.2734715855.

Adding to 1034203121 its reverse (1213024301), we get a palindrome (2247227422).

The spelling of 1034203121 in words is "one billion, thirty-four million, two hundred three thousand, one hundred twenty-one".