1254542986242 has 128 divisors (see below), whose sum is σ = 3463297689600. Its totient is φ = 327776113728.

The previous prime is 1254542986223. The next prime is 1254542986253. The reversal of 1254542986242 is 2426892454521.

1254542986242 is a `hidden beast` number, since 1 + 2 + 5 + 4 + 5 + 4 + 2 + 9 + 8 + 624 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 667192 + ... + 1718787.

It is an arithmetic number, because the mean of its divisors is an integer number (27057013200).

Almost surely, 2^{1254542986242} is an apocalyptic number.

1254542986242 is an abundant number, since it is smaller than the sum of its proper divisors (2208754703358).

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

1254542986242 is a wasteful number, since it uses less digits than its factorization.

1254542986242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386117 (or 2386111 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 54.

It can be divided in two parts, 125454 and 2986242, that added together give a 4-th power (3111696 = 42⁴).

The spelling of 1254542986242 in words is "one trillion, two hundred fifty-four billion, five hundred forty-two million, nine hundred eighty-six thousand, two hundred forty-two".