127194440 has 32 divisors (see below), whose sum is σ = 287324280. Its totient is φ = 50675712.

The previous prime is 127194401. The next prime is 127194461. The reversal of 127194440 is 44491721.

It can be written as a sum of positive squares in 4 ways, for example, as 125126596 + 2067844 = 11186^2 + 1438^2 .

It is a junction number, because it is equal to n+sod(n) for n = 127194397 and 127194406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4094 + ... + 16466.

Almost surely, 2^127194440 is an apocalyptic number.

127194440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127194440 is an abundant number, since it is smaller than the sum of its proper divisors (160129840).

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

127194440 is a wasteful number, since it uses less digits than its factorization.

127194440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12641 (or 12637 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 127194440 is about 11278.0512501052. The cubic root of 127194440 is about 502.9089630469.

The spelling of 127194440 in words is "one hundred twenty-seven million, one hundred ninety-four thousand, four hundred forty".