127361091 has 48 divisors (see below), whose sum is σ = 203509152. Its totient is φ = 70371840.

The previous prime is 127361089. The next prime is 127361119. The reversal of 127361091 is 190163721.

It is not a de Polignac number, because 127361091 - 2¹ = 127361089 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127361021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 646405 + ... + 646601.

It is an arithmetic number, because the mean of its divisors is an integer number (4239774).

Almost surely, 2^127361091 is an apocalyptic number.

127361091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

127361091 is a deficient number, since it is larger than the sum of its proper divisors (76148061).

127361091 is a wasteful number, since it uses less digits than its factorization.

127361091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 127361091 is about 11285.4371204664. The cubic root of 127361091 is about 503.1285054139.

The spelling of 127361091 in words is "one hundred twenty-seven million, three hundred sixty-one thousand, ninety-one".