127493091 has 24 divisors (see below), whose sum is σ = 202864896. Its totient is φ = 76512240.

The previous prime is 127493057. The next prime is 127493099. The reversal of 127493091 is 190394721.

It is not a de Polignac number, because 127493091 - 2⁹ = 127492579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127493099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3946 + ... + 16448.

It is an arithmetic number, because the mean of its divisors is an integer number (8452704).

Almost surely, 2^127493091 is an apocalyptic number.

127493091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

127493091 is a deficient number, since it is larger than the sum of its proper divisors (75371805).

127493091 is a wasteful number, since it uses less digits than its factorization.

127493091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12623 (or 12620 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 127493091 is about 11291.2838508294. The cubic root of 127493091 is about 503.3022634311.

The spelling of 127493091 in words is "one hundred twenty-seven million, four hundred ninety-three thousand, ninety-one".