127699434 has 12 divisors (see below), whose sum is σ = 276682146. Its totient is φ = 42566472.

The previous prime is 127699421. The next prime is 127699457. The reversal of 127699434 is 434996721.

It is a happy number.

127699434 is a `hidden beast` number, since 127 + 6 + 99 + 434 = 666.

It can be written as a sum of positive squares in only one way, i.e., 112466025 + 15233409 = 10605^2 + 3903^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 127699434.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3547189 + ... + 3547224.

Almost surely, 2^127699434 is an apocalyptic number.

127699434 is an abundant number, since it is smaller than the sum of its proper divisors (148982712).

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

127699434 is a wasteful number, since it uses less digits than its factorization.

127699434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7094421 (or 7094418 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 127699434 is about 11300.4174259184. The cubic root of 127699434 is about 503.5736426383.

The spelling of 127699434 in words is "one hundred twenty-seven million, six hundred ninety-nine thousand, four hundred thirty-four".