128265374 has 16 divisors (see below), whose sum is σ = 204311808. Its totient is φ = 60183552.

The previous prime is 128265341. The next prime is 128265377. The reversal of 128265374 is 473562821.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128265377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6659 + ... + 17345.

It is an arithmetic number, because the mean of its divisors is an integer number (12769488).

Almost surely, 2^128265374 is an apocalyptic number.

128265374 is a deficient number, since it is larger than the sum of its proper divisors (76046434).

128265374 is a wasteful number, since it uses less digits than its factorization.

128265374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11059.

The product of its digits is 80640, while the sum is 38.

The square root of 128265374 is about 11325.4304112471. The cubic root of 128265374 is about 504.3164610958.

The spelling of 128265374 in words is "one hundred twenty-eight million, two hundred sixty-five thousand, three hundred seventy-four".