1040021234 has 16 divisors (see below), whose sum is σ = 1831080768. Its totient is φ = 433676592.

The previous prime is 1040021233. The next prime is 1040021239. The reversal of 1040021234 is 4321200401.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1040021231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1003364 + ... + 1004399.

It is an arithmetic number, because the mean of its divisors is an integer number (114442548).

Almost surely, 2^1040021234 is an apocalyptic number.

1040021234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1040021234 is a deficient number, since it is larger than the sum of its proper divisors (791059534).

1040021234 is a wasteful number, since it uses less digits than its factorization.

1040021234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007809.

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

The square root of 1040021234 is about 32249.3602107081. The cubic root of 1040021234 is about 1013.1662991023.

Adding to 1040021234 its reverse (4321200401), we get a palindrome (5361221635).

The spelling of 1040021234 in words is "one billion, forty million, twenty-one thousand, two hundred thirty-four".