127743426 has 64 divisors (see below), whose sum is σ = 298506240. Its totient is φ = 40415760.

The previous prime is 127743397. The next prime is 127743431. The reversal of 127743426 is 624347721.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202131 + ... + 202761.

It is an arithmetic number, because the mean of its divisors is an integer number (4664160).

Almost surely, 2^127743426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127743426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149253120).

127743426 is an abundant number, since it is smaller than the sum of its proper divisors (170762814).

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

127743426 is a wasteful number, since it uses less digits than its factorization.

127743426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 822 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 127743426 is about 11302.3637350777. The cubic root of 127743426 is about 503.6314624411.

The spelling of 127743426 in words is "one hundred twenty-seven million, seven hundred forty-three thousand, four hundred twenty-six".