1042105320 has 48 divisors (see below), whose sum is σ = 3386843460. Its totient is φ = 277894656.

The previous prime is 1042105319. The next prime is 1042105327. The reversal of 1042105320 is 235012401.

It can be written as a sum of positive squares in 2 ways, for example, as 963357444 + 78747876 = 31038^2 + 8874^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1042105293 and 1042105302.

It is not an unprimeable number, because it can be changed into a prime (1042105327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1447009 + ... + 1447728.

Almost surely, 2^1042105320 is an apocalyptic number.

1042105320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042105320 is an abundant number, since it is smaller than the sum of its proper divisors (2344738140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1042105320 is a wasteful number, since it uses less digits than its factorization.

1042105320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894754 (or 2894747 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1042105320 is about 32281.6560913470. The cubic root of 1042105320 is about 1013.8426047964.

Adding to 1042105320 its reverse (235012401), we get a palindrome (1277117721).

The spelling of 1042105320 in words is "one billion, forty-two million, one hundred five thousand, three hundred twenty".