1242525304128 has 28 divisors (see below), whose sum is σ = 3287514867680. Its totient is φ = 414175101312.

The previous prime is 1242525304109. The next prime is 1242525304129. The reversal of 1242525304128 is 8214035252421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242525304129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3235742788 + ... + 3235743171.

Almost surely, 2^{1242525304128} is an apocalyptic number.

It is an amenable number.

1242525304128 is an abundant number, since it is smaller than the sum of its proper divisors (2044989563552).

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

1242525304128 is an equidigital number, since it uses as much as digits as its factorization.

1242525304128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6471485974 (or 6471485964 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 39.

The spelling of 1242525304128 in words is "one trillion, two hundred forty-two billion, five hundred twenty-five million, three hundred four thousand, one hundred twenty-eight".