127736045 has 16 divisors (see below), whose sum is σ = 162574128. Its totient is φ = 96015360.

The previous prime is 127736041. The next prime is 127736071. The reversal of 127736045 is 540637721.

It can be written as a sum of positive squares in 8 ways, for example, as 68644 + 127667401 = 262^2 + 11299^2 .

It is not a de Polignac number, because 127736045 - 2² = 127736041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 127735996 and 127736014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127736041) 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, 79187 + ... + 80783.

It is an arithmetic number, because the mean of its divisors is an integer number (10160883).

Almost surely, 2^127736045 is an apocalyptic number.

It is an amenable number.

127736045 is a deficient number, since it is larger than the sum of its proper divisors (34838083).

127736045 is a wasteful number, since it uses less digits than its factorization.

127736045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 127736045 is about 11302.0372057430. The cubic root of 127736045 is about 503.6217623322.

The spelling of 127736045 in words is "one hundred twenty-seven million, seven hundred thirty-six thousand, forty-five".