1040304243 has 16 divisors (see below), whose sum is σ = 1535757696. Its totient is φ = 621075840.

The previous prime is 1040304151. The next prime is 1040304253. The reversal of 1040304243 is 3424030401.

It is not a de Polignac number, because 1040304243 - 2⁸ = 1040303987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040304253) 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, 233046 + ... + 237467.

It is an arithmetic number, because the mean of its divisors is an integer number (95984856).

Almost surely, 2^1040304243 is an apocalyptic number.

1040304243 is a deficient number, since it is larger than the sum of its proper divisors (495453453).

1040304243 is a wasteful number, since it uses less digits than its factorization.

1040304243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470594.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1040304243 is about 32253.7477357283. The cubic root of 1040304243 is about 1013.2581911930.

Adding to 1040304243 its reverse (3424030401), we get a palindrome (4464334644).

The spelling of 1040304243 in words is "one billion, forty million, three hundred four thousand, two hundred forty-three".