1042120330 has 8 divisors (see below), whose sum is σ = 1875816612. Its totient is φ = 416848128.

The previous prime is 1042120301. The next prime is 1042120337. The reversal of 1042120330 is 330212401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1038321729 + 3798601 = 32223^2 + 1949^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1042120337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52106007 + ... + 52106026.

Almost surely, 2^1042120330 is an apocalyptic number.

1042120330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1042120330 is a deficient number, since it is larger than the sum of its proper divisors (833696282).

1042120330 is a wasteful number, since it uses less digits than its factorization.

1042120330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104212040.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1042120330 is about 32281.8885754846. Note that the first 3 decimals coincide. The cubic root of 1042120330 is about 1013.8474724120.

Adding to 1042120330 its reverse (330212401), we get a palindrome (1372332731).

The spelling of 1042120330 in words is "one billion, forty-two million, one hundred twenty thousand, three hundred thirty".