127530040 has 32 divisors (see below), whose sum is σ = 313029360. Its totient is φ = 46374400.

The previous prime is 127530037. The next prime is 127530079. The reversal of 127530040 is 40035721.

It is a super-2 number, since 2×127530040² = 32527822204803200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 127529993 and 127530020.

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, 144481 + ... + 145360.

Almost surely, 2^127530040 is an apocalyptic number.

127530040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127530040 is an abundant number, since it is smaller than the sum of its proper divisors (185499320).

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

127530040 is a wasteful number, since it uses less digits than its factorization.

127530040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289863 (or 289859 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 127530040 is about 11292.9199058525. The cubic root of 127530040 is about 503.3508797103.

Adding to 127530040 its reverse (40035721), we get a palindrome (167565761).

The spelling of 127530040 in words is "one hundred twenty-seven million, five hundred thirty thousand, forty".