1040422156 has 6 divisors (see below), whose sum is σ = 1820738780. Its totient is φ = 520211076.

The previous prime is 1040422153. The next prime is 1040422189. The reversal of 1040422156 is 6512240401.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1040422156.

It is not an unprimeable number, because it can be changed into a prime (1040422153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130052766 + ... + 130052773.

Almost surely, 2^1040422156 is an apocalyptic number.

It is an amenable number.

1040422156 is a deficient number, since it is larger than the sum of its proper divisors (780316624).

1040422156 is a wasteful number, since it uses less digits than its factorization.

1040422156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260105543 (or 260105541 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1040422156 is about 32255.5755800451. The cubic root of 1040422156 is about 1013.2964722376.

Adding to 1040422156 its reverse (6512240401), we get a palindrome (7552662557).

The spelling of 1040422156 in words is "one billion, forty million, four hundred twenty-two thousand, one hundred fifty-six".