127742361 has 16 divisors (see below), whose sum is σ = 176655360. Its totient is φ = 82010880.

The previous prime is 127742333. The next prime is 127742371. The reversal of 127742361 is 163247721.

It is not a de Polignac number, because 127742361 - 2⁶ = 127742297 is a prime.

It is a super-2 number, since 2×127742361² = 32636221587708642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (127742311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35976 + ... + 39366.

It is an arithmetic number, because the mean of its divisors is an integer number (11040960).

Almost surely, 2^127742361 is an apocalyptic number.

It is an amenable number.

127742361 is a deficient number, since it is larger than the sum of its proper divisors (48912999).

127742361 is a wasteful number, since it uses less digits than its factorization.

127742361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856.

The product of its digits is 14112, while the sum is 33.

The square root of 127742361 is about 11302.3166209410. The cubic root of 127742361 is about 503.6300628414.

The spelling of 127742361 in words is "one hundred twenty-seven million, seven hundred forty-two thousand, three hundred sixty-one".