1285942754970 has 96 divisors (see below), whose sum is σ = 3577118014080. Its totient is φ = 319543989120.

The previous prime is 1285942754969. The next prime is 1285942755011. The reversal of 1285942754970 is 794572495821.

1285942754970 is a `hidden beast` number, since 1 + 2 + 85 + 9 + 4 + 2 + 7 + 549 + 7 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1285942754898 and 1285942754907.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6059734 + ... + 6268353.

It is an arithmetic number, because the mean of its divisors is an integer number (37261645980).

Almost surely, 2^{1285942754970} is an apocalyptic number.

1285942754970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1285942754970 is an abundant number, since it is smaller than the sum of its proper divisors (2291175259110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1285942754970 is a wasteful number, since it uses less digits than its factorization.

1285942754970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12328180 (or 12328177 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 63.

The spelling of 1285942754970 in words is "one trillion, two hundred eighty-five billion, nine hundred forty-two million, seven hundred fifty-four thousand, nine hundred seventy".