127790545 has 8 divisors (see below), whose sum is σ = 154365120. Its totient is φ = 101554800.

The previous prime is 127790543. The next prime is 127790569. The reversal of 127790545 is 545097721.

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

It is not a de Polignac number, because 127790545 - 2¹ = 127790543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 127790498 and 127790507.

It is not an unprimeable number, because it can be changed into a prime (127790543) 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, 83875 + ... + 85384.

It is an arithmetic number, because the mean of its divisors is an integer number (19295640).

Almost surely, 2^127790545 is an apocalyptic number.

It is an amenable number.

127790545 is a deficient number, since it is larger than the sum of its proper divisors (26574575).

127790545 is a wasteful number, since it uses less digits than its factorization.

127790545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169415.

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 127790545 is about 11304.4480183687. The cubic root of 127790545 is about 503.6933774178.

The spelling of 127790545 in words is "one hundred twenty-seven million, seven hundred ninety thousand, five hundred forty-five".