127442245 has 16 divisors (see below), whose sum is σ = 179503488. Its totient is φ = 85026240.

The previous prime is 127442221. The next prime is 127442257. The reversal of 127442245 is 542244721.

It is not a de Polignac number, because 127442245 - 2⁵ = 127442213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47911 + ... + 50500.

It is an arithmetic number, because the mean of its divisors is an integer number (11218968).

Almost surely, 2^127442245 is an apocalyptic number.

It is an amenable number.

127442245 is a deficient number, since it is larger than the sum of its proper divisors (52061243).

127442245 is an equidigital number, since it uses as much as digits as its factorization.

127442245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98460.

The product of its digits is 17920, while the sum is 31.

The square root of 127442245 is about 11289.0320665680. The cubic root of 127442245 is about 503.2353465772.

Adding to 127442245 its reverse (542244721), we get a palindrome (669686966).

The spelling of 127442245 in words is "one hundred twenty-seven million, four hundred forty-two thousand, two hundred forty-five".