127122249 has 16 divisors (see below), whose sum is σ = 175286592. Its totient is φ = 81901248.

The previous prime is 127122239. The next prime is 127122257. The reversal of 127122249 is 942221721.

It is not a de Polignac number, because 127122249 - 2¹² = 127118153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127122239) 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, 4687 + ... + 16619.

It is an arithmetic number, because the mean of its divisors is an integer number (10955412).

Almost surely, 2^127122249 is an apocalyptic number.

It is an amenable number.

127122249 is a deficient number, since it is larger than the sum of its proper divisors (48164343).

127122249 is a wasteful number, since it uses less digits than its factorization.

127122249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12056.

The product of its digits is 4032, while the sum is 30.

The square root of 127122249 is about 11274.8502872544. The cubic root of 127122249 is about 502.8138006805.

The spelling of 127122249 in words is "one hundred twenty-seven million, one hundred twenty-two thousand, two hundred forty-nine".