127722542 has 16 divisors (see below), whose sum is σ = 206364672. Its totient is φ = 59113560.

The previous prime is 127722533. The next prime is 127722563. The reversal of 127722542 is 245227721.

It is a junction number, because it is equal to n+sod(n) for n = 127722499 and 127722508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43358 + ... + 46209.

It is an arithmetic number, because the mean of its divisors is an integer number (12897792).

Almost surely, 2^127722542 is an apocalyptic number.

127722542 is a deficient number, since it is larger than the sum of its proper divisors (78642130).

127722542 is a wasteful number, since it uses less digits than its factorization.

127722542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89623.

The product of its digits is 15680, while the sum is 32.

The square root of 127722542 is about 11301.4398197752. The cubic root of 127722542 is about 503.6040157249.

The spelling of 127722542 in words is "one hundred twenty-seven million, seven hundred twenty-two thousand, five hundred forty-two".