127223540 has 48 divisors (see below), whose sum is σ = 272213760. Its totient is φ = 49939200.

The previous prime is 127223531. The next prime is 127223561. The reversal of 127223540 is 45322721.

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, 310856 + ... + 311264.

It is an arithmetic number, because the mean of its divisors is an integer number (5671120).

Almost surely, 2^127223540 is an apocalyptic number.

127223540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127223540 is an abundant number, since it is smaller than the sum of its proper divisors (144990220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127223540 is a wasteful number, since it uses less digits than its factorization.

127223540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 127223540 is about 11279.3412928238. The cubic root of 127223540 is about 502.9473125610.

The spelling of 127223540 in words is "one hundred twenty-seven million, two hundred twenty-three thousand, five hundred forty".