1042146972736 has 21 divisors (see below), whose sum is σ = 2068026605239. Its totient is φ = 521069402944.

The previous prime is 1042146972679. The next prime is 1042146972791. The reversal of 1042146972736 is 6372796412401.

It is a happy number.

The square root of 1042146972736 is 1020856.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian 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 in 2 ways as a sum of consecutive naturals, for example, 8103045 + ... + 8230651.

Almost surely, 2^{1042146972736} is an apocalyptic number.

1042146972736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1042146972736 is the 1020856-th square number.

It is an amenable number.

1042146972736 is a deficient number, since it is larger than the sum of its proper divisors (1025879632503).

1042146972736 is an frugal number, since it uses more digits than its factorization.

1042146972736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255226 (or 127609 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 1042146972736 in words is "one trillion, forty-two billion, one hundred forty-six million, nine hundred seventy-two thousand, seven hundred thirty-six".