1042020430 has 16 divisors (see below), whose sum is σ = 2046149424. Its totient is φ = 378916480.

The previous prime is 1042020383. The next prime is 1042020437. The reversal of 1042020430 is 340202401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042020437) 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, 4736347 + ... + 4736566.

It is an arithmetic number, because the mean of its divisors is an integer number (127884339).

Almost surely, 2^1042020430 is an apocalyptic number.

1042020430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1042020430 is a deficient number, since it is larger than the sum of its proper divisors (1004128994).

1042020430 is a wasteful number, since it uses less digits than its factorization.

1042020430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9472931.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1042020430 is about 32280.3412311580. The cubic root of 1042020430 is about 1013.8150748100.

Adding to 1042020430 its reverse (340202401), we get a palindrome (1382222831).

The spelling of 1042020430 in words is "one billion, forty-two million, twenty thousand, four hundred thirty".