127620136 has 32 divisors (see below), whose sum is σ = 276776640. Its totient is φ = 54033408.

The previous prime is 127620121. The next prime is 127620137. The reversal of 127620136 is 631026721.

It is a super-2 number, since 2×127620136² = 32573798225316992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (127620137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9081 + ... + 18376.

It is an arithmetic number, because the mean of its divisors is an integer number (8649270).

Almost surely, 2^127620136 is an apocalyptic number.

It is an amenable number.

127620136 is an abundant number, since it is smaller than the sum of its proper divisors (149156504).

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

127620136 is a wasteful number, since it uses less digits than its factorization.

127620136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27553 (or 27549 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 127620136 is about 11296.9082496053. The cubic root of 127620136 is about 503.4693857126.

Adding to 127620136 its reverse (631026721), we get a palindrome (758646857).

It can be divided in two parts, 1276 and 20136, that added together give a palindrome (21412).

The spelling of 127620136 in words is "one hundred twenty-seven million, six hundred twenty thousand, one hundred thirty-six".