127545842 has 12 divisors (see below), whose sum is σ = 197692398. Its totient is φ = 61714800.

The previous prime is 127545839. The next prime is 127545853. The reversal of 127545842 is 248545721.

It can be written as a sum of positive squares in only one way, i.e., 125238481 + 2307361 = 11191^2 + 1519^2 .

It is a super-2 number, since 2×127545842² = 32535883622977928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 127545796 and 127545805.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31259 + ... + 35102.

Almost surely, 2^127545842 is an apocalyptic number.

127545842 is a deficient number, since it is larger than the sum of its proper divisors (70146556).

127545842 is an equidigital number, since it uses as much as digits as its factorization.

127545842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66425 (or 66394 counting only the distinct ones).

The product of its digits is 89600, while the sum is 38.

The square root of 127545842 is about 11293.6195260864. The cubic root of 127545842 is about 503.3716685956.

The spelling of 127545842 in words is "one hundred twenty-seven million, five hundred forty-five thousand, eight hundred forty-two".