1042657851 has 32 divisors (see below), whose sum is σ = 1549152000. Its totient is φ = 620984448.

The previous prime is 1042657849. The next prime is 1042657859. The reversal of 1042657851 is 1587562401.

It is not a de Polignac number, because 1042657851 - 2¹ = 1042657849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1042657859) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 63745 + ... + 78413.

It is an arithmetic number, because the mean of its divisors is an integer number (48411000).

Almost surely, 2^1042657851 is an apocalyptic number.

1042657851 is a deficient number, since it is larger than the sum of its proper divisors (506494149).

1042657851 is a wasteful number, since it uses less digits than its factorization.

1042657851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14763.

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 1042657851 is about 32290.2129289975. The cubic root of 1042657851 is about 1014.0217551129.

The spelling of 1042657851 in words is "one billion, forty-two million, six hundred fifty-seven thousand, eight hundred fifty-one".