127930649 has 8 divisors (see below), whose sum is σ = 159498048. Its totient is φ = 99686160.

The previous prime is 127930643. The next prime is 127930651. The reversal of 127930649 is 946039721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 127930649 - 2²⁰ = 126882073 is a prime.

It is a super-2 number, since 2×127930649² = 32732501907122402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127930643) 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, 830642 + ... + 830795.

It is an arithmetic number, because the mean of its divisors is an integer number (19937256).

Almost surely, 2^127930649 is an apocalyptic number.

It is an amenable number.

127930649 is a deficient number, since it is larger than the sum of its proper divisors (31567399).

127930649 is a wasteful number, since it uses less digits than its factorization.

127930649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661455.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 127930649 is about 11310.6431735777. The cubic root of 127930649 is about 503.8773860310.

The spelling of 127930649 in words is "one hundred twenty-seven million, nine hundred thirty thousand, six hundred forty-nine".