128494002 has 32 divisors (see below), whose sum is σ = 316294272. Its totient is φ = 33888384.

The previous prime is 128493991. The next prime is 128494013. The reversal of 128494002 is 200494821.

It is an interprime number because it is at equal distance from previous prime (128493991) and next prime (128494013).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117123 + ... + 118214.

It is an arithmetic number, because the mean of its divisors is an integer number (9884196).

Almost surely, 2^128494002 is an apocalyptic number.

128494002 is an abundant number, since it is smaller than the sum of its proper divisors (187800270).

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

128494002 is a wasteful number, since it uses less digits than its factorization.

128494002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235362.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 128494002 is about 11335.5194852287. The cubic root of 128494002 is about 504.6159246782.

The spelling of 128494002 in words is "one hundred twenty-eight million, four hundred ninety-four thousand, two".