201254757842 has 8 divisors (see below), whose sum is σ = 301900338432. Its totient is φ = 100621311700.

The previous prime is 201254757833. The next prime is 201254757961. The reversal of 201254757842 is 248757452102.

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

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, 2992034 + ... + 3058557.

It is an arithmetic number, because the mean of its divisors is an integer number (37737542304).

Almost surely, 2^201254757842 is an apocalyptic number.

201254757842 is a deficient number, since it is larger than the sum of its proper divisors (100645580590).

201254757842 is a wasteful number, since it uses less digits than its factorization.

201254757842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6067224.

The product of its (nonzero) digits is 1254400, while the sum is 47.

The spelling of 201254757842 in words is "two hundred one billion, two hundred fifty-four million, seven hundred fifty-seven thousand, eight hundred forty-two".