1042028261187 has 32 divisors (see below), whose sum is σ = 1448958412800. Its totient is φ = 665385504000.

The previous prime is 1042028261161. The next prime is 1042028261189. The reversal of 1042028261187 is 7811628202401.

It is not a de Polignac number, because 1042028261187 - 2¹⁶ = 1042028195651 is a prime.

It is a super-3 number, since 3×1042028261187³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1042028261189) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3760012 + ... + 4027622.

It is an arithmetic number, because the mean of its divisors is an integer number (45279950400).

Almost surely, 2^{1042028261187} is an apocalyptic number.

1042028261187 is a deficient number, since it is larger than the sum of its proper divisors (406930151613).

1042028261187 is a wasteful number, since it uses less digits than its factorization.

1042028261187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268075.

The product of its (nonzero) digits is 86016, while the sum is 42.

The spelling of 1042028261187 in words is "one trillion, forty-two billion, twenty-eight million, two hundred sixty-one thousand, one hundred eighty-seven".