1254834642 has 8 divisors (see below), whose sum is σ = 2509669296. Its totient is φ = 418278212.

The previous prime is 1254834631. The next prime is 1254834671. The reversal of 1254834642 is 2464384521.

It is a sphenic number, since it is the product of 3 distinct primes.

1254834642 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1254834642.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104569548 + ... + 104569559.

It is an arithmetic number, because the mean of its divisors is an integer number (313708662).

Almost surely, 2^1254834642 is an apocalyptic number.

1254834642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1254834642 is a wasteful number, since it uses less digits than its factorization.

1254834642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209139112.

The product of its digits is 184320, while the sum is 39.

The square root of 1254834642 is about 35423.6452387385. The cubic root of 1254834642 is about 1078.6043477653.

The spelling of 1254834642 in words is "one billion, two hundred fifty-four million, eight hundred thirty-four thousand, six hundred forty-two".