127723145 has 8 divisors (see below), whose sum is σ = 167201280. Its totient is φ = 92889520.

The previous prime is 127723133. The next prime is 127723157. The reversal of 127723145 is 541327721.

It is an interprime number because it is at equal distance from previous prime (127723133) and next prime (127723157).

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

It is not a de Polignac number, because 127723145 - 2⁴ = 127723129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1161065 + ... + 1161174.

It is an arithmetic number, because the mean of its divisors is an integer number (20900160).

Almost surely, 2^127723145 is an apocalyptic number.

It is an amenable number.

127723145 is a deficient number, since it is larger than the sum of its proper divisors (39478135).

127723145 is a wasteful number, since it uses less digits than its factorization.

127723145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322255.

The product of its digits is 11760, while the sum is 32.

The square root of 127723145 is about 11301.4664977604. The cubic root of 127723145 is about 503.6048082573.

The spelling of 127723145 in words is "one hundred twenty-seven million, seven hundred twenty-three thousand, one hundred forty-five".