1042720604 has 6 divisors (see below), whose sum is σ = 1824761064. Its totient is φ = 521360300.

The previous prime is 1042720577. The next prime is 1042720621. The reversal of 1042720604 is 4060272401.

It is a super-2 number, since 2×1042720604² = 2174532516012249632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130340072 + ... + 130340079.

It is an arithmetic number, because the mean of its divisors is an integer number (304126844).

Almost surely, 2^1042720604 is an apocalyptic number.

It is an amenable number.

1042720604 is a deficient number, since it is larger than the sum of its proper divisors (782040460).

1042720604 is a wasteful number, since it uses less digits than its factorization.

1042720604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260680155 (or 260680153 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 1042720604 is about 32291.1846174773. The cubic root of 1042720604 is about 1014.0420978778.

The spelling of 1042720604 in words is "one billion, forty-two million, seven hundred twenty thousand, six hundred four".