1040123201 has 16 divisors (see below), whose sum is σ = 1129343040. Its totient is φ = 952257600.

The previous prime is 1040123171. The next prime is 1040123221. The reversal of 1040123201 is 1023210401.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040123201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040123221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 989126 + ... + 990176.

It is an arithmetic number, because the mean of its divisors is an integer number (70583940).

Almost surely, 2^1040123201 is an apocalyptic number.

It is an amenable number.

1040123201 is a deficient number, since it is larger than the sum of its proper divisors (89219839).

1040123201 is a wasteful number, since it uses less digits than its factorization.

1040123201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616.

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

The square root of 1040123201 is about 32250.9410870443. The cubic root of 1040123201 is about 1013.1994093725.

Adding to 1040123201 its reverse (1023210401), we get a palindrome (2063333602).

The spelling of 1040123201 in words is "one billion, forty million, one hundred twenty-three thousand, two hundred one".