128007463 has 16 divisors (see below), whose sum is σ = 135546880. Its totient is φ = 120722400.

The previous prime is 128007449. The next prime is 128007487. The reversal of 128007463 is 364700821.

It is a cyclic number.

It is not a de Polignac number, because 128007463 - 2¹³ = 127999271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128007163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262606 + ... + 263092.

It is an arithmetic number, because the mean of its divisors is an integer number (8471680).

Almost surely, 2^128007463 is an apocalyptic number.

128007463 is a deficient number, since it is larger than the sum of its proper divisors (7539417).

128007463 is a wasteful number, since it uses less digits than its factorization.

128007463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 128007463 is about 11314.0383152966. The cubic root of 128007463 is about 503.9782143413.

The spelling of 128007463 in words is "one hundred twenty-eight million, seven thousand, four hundred sixty-three".