1042263106 has 4 divisors (see below), whose sum is σ = 1563394662. Its totient is φ = 521131552.

The previous prime is 1042263067. The next prime is 1042263109. The reversal of 1042263106 is 6013622401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6013622401 = 43201 ⋅139201.

It can be written as a sum of positive squares in only one way, i.e., 871725625 + 170537481 = 29525^2 + 13059^2 .

It is not an unprimeable number, because it can be changed into a prime (1042263109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260565775 + ... + 260565778.

Almost surely, 2^1042263106 is an apocalyptic number.

1042263106 is a deficient number, since it is larger than the sum of its proper divisors (521131556).

1042263106 is an equidigital number, since it uses as much as digits as its factorization.

1042263106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521131555.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1042263106 is about 32284.0998945301. The cubic root of 1042263106 is about 1013.8937711207.

Adding to 1042263106 its reverse (6013622401), we get a palindrome (7055885507).

The spelling of 1042263106 in words is "one billion, forty-two million, two hundred sixty-three thousand, one hundred six".