1284137707204 has 81 divisors (see below), whose sum is σ = 2607917919663. Its totient is φ = 552773984400.

The previous prime is 1284137707117. The next prime is 1284137707211. The reversal of 1284137707204 is 4027077314821.

It is a happy number.

The square root of 1284137707204 is 1133198.

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

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 473675409 + ... + 473678119.

Almost surely, 2^{1284137707204} is an apocalyptic number.

1284137707204 is the 1133198-th square number.

It is an amenable number.

1284137707204 is an abundant number, since it is smaller than the sum of its proper divisors (1323780212459).

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

1284137707204 is an equidigital number, since it uses as much as digits as its factorization.

1284137707204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5486 (or 2743 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 46.

The spelling of 1284137707204 in words is "one trillion, two hundred eighty-four billion, one hundred thirty-seven million, seven hundred seven thousand, two hundred four".