1012830442 has 16 divisors (see below), whose sum is σ = 1638858312. Its totient is φ = 466675200.

The previous prime is 1012830439. The next prime is 1012830443. The reversal of 1012830442 is 2440382101.

It can be written as a sum of positive squares in 4 ways, for example, as 777238641 + 235591801 = 27879^2 + 15349^2 .

It is not an unprimeable number, because it can be changed into a prime (1012830443) 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, 16783 + ... + 48034.

Almost surely, 2^1012830442 is an apocalyptic number.

1012830442 is a deficient number, since it is larger than the sum of its proper divisors (626027870).

1012830442 is a wasteful number, since it uses less digits than its factorization.

1012830442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65433.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1012830442 is about 31824.9971249017. The cubic root of 1012830442 is about 1004.2586521368.

The spelling of 1012830442 in words is "one billion, twelve million, eight hundred thirty thousand, four hundred forty-two".