128773142 has 8 divisors (see below), whose sum is σ = 193347000. Its totient is φ = 64324144.

The previous prime is 128773133. The next prime is 128773153. The reversal of 128773142 is 241377821.

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

It is a congruent number.

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, 28592 + ... + 32787.

It is an arithmetic number, because the mean of its divisors is an integer number (24168375).

Almost surely, 2^128773142 is an apocalyptic number.

128773142 is a deficient number, since it is larger than the sum of its proper divisors (64573858).

128773142 is a wasteful number, since it uses less digits than its factorization.

128773142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62430.

The product of its digits is 18816, while the sum is 35.

The square root of 128773142 is about 11347.8254304514. The cubic root of 128773142 is about 504.9810691201.

The spelling of 128773142 in words is "one hundred twenty-eight million, seven hundred seventy-three thousand, one hundred forty-two".